634 lines
24 KiB
C#
634 lines
24 KiB
C#
using Furion;
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using Microsoft.AspNetCore.Hosting;
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using Microsoft.AspNetCore.Http;
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using Microsoft.AspNetCore.Mvc.ModelBinding;
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using Microsoft.Extensions.Caching.Memory;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Reflection;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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namespace RoadFlow.Utility
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{
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public class Tools
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{
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//private static HttpContext _httpContext = App.HttpContext;
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private static IHttpContextAccessor _accessor;
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private static IWebHostEnvironment _hostingEnvironment;
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public static HttpContext HttpContext
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{
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get
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{
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return App.HttpContext;
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}
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}
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public static void ConfigureHttpContext(IHttpContextAccessor accessor)
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{
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_accessor = accessor;
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}
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public static void ConfigureHostingEnvironment(IWebHostEnvironment hostingEnvironment)
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{
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_hostingEnvironment = hostingEnvironment;
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}
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/// <summary>
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/// 验证实体
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/// </summary>
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/// <param name="modelState"></param>
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/// <returns></returns>
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public static string GetValidateErrorMessag(ModelStateDictionary modelState)
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{
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StringBuilder stringBuilder = new StringBuilder();
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int i = 1;
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stringBuilder.Append("验证错误：\n");
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foreach (string key in modelState.Keys)
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{
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var state = modelState[key];
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if (state.Errors.Any())
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{
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stringBuilder.Append(i++);
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stringBuilder.Append("、");
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stringBuilder.Append(state.Errors.First().ErrorMessage);
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stringBuilder.Append("\n");
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}
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}
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return stringBuilder.ToString();
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}
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/// <summary>
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/// 得到当前请求的URL
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static string GetURL(HttpRequest request = null)
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{
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if (null == request)
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{
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var context = HttpContext;
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request = null != context ? context.Request : null;
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}
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if (null == request)
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{
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return string.Empty;
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}
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return new StringBuilder()
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.Append(request.PathBase)
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.Append(request.Path)
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.Append(request.QueryString)
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.ToString();
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}
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/// <summary>
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/// 得到当前请求的绝对URL
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static string GetAbsoluteURL(HttpRequest request = null)
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{
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if (null == request)
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{
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var context = HttpContext;
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request = null != context ? context.Request : null;
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}
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if (null == request)
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{
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return string.Empty;
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}
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return new StringBuilder()
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.Append(request.Scheme)
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.Append("://")
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.Append(request.Host)
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.Append(request.PathBase)
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.Append(request.Path)
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.Append(request.QueryString)
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.ToString();
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}
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/// <summary>
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/// 得到当前请求主机
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static string GetHttpHost(HttpRequest request = null)
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{
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if (null == request)
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{
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var context = HttpContext;
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request = null != context ? context.Request : null;
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}
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if (null == request)
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{
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return string.Empty;
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}
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return new StringBuilder()
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.Append(request.Scheme)
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.Append("://")
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.Append(request.Host)
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.Append(request.PathBase)
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.ToString();
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}
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/// <summary>
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/// 判断是否是ajax请求
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/// </summary>
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/// <param name="request"></param>
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/// <returns></returns>
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public static bool IsAjax(HttpRequest request = null)
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{
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if (null == request)
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{
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var context = HttpContext;
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request = null != context ? context.Request : null;
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}
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if (null == request)
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{
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return false;
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}
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bool result = false;
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var xreq = request.Headers.ContainsKey("x-requested-with");
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if (xreq)
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{
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result = request.Headers["x-requested-with"] == "XMLHttpRequest";
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}
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return result;
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}
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/// <summary>
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/// 得到访问IP
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/// </summary>
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public static string GetIP(HttpContext httpContext = null)
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{
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string result = string.Empty;
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if (httpContext == null)
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{
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httpContext = HttpContext;
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}
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if (httpContext == null)
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{
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return string.Empty;
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}
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if (httpContext.Request.Headers.ContainsKey("X-Real-IP"))
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{
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result = httpContext.Request.Headers["X-Real-IP"].ToString();
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}
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if (httpContext.Request.Headers.ContainsKey("X-Forwarded-For"))
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{
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result = httpContext.Request.Headers["X-Forwarded-For"].ToString();
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}
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if (result.IsNullOrWhiteSpace())
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{
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HttpContext.Connection.RemoteIpAddress.ToString();
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}
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return result.Equals("::1") ? "127.0.0.1" : result;
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}
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/// <summary>
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/// 得到访问Agent
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/// </summary>
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/// <returns></returns>
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public static string GetBrowseAgent()
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{
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var context = HttpContext;
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if (null == context)
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{
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return string.Empty;
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}
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return context.Request.Headers["User-Agent"];
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}
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/// <summary>
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/// 得到上一个请求的URL地址
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/// </summary>
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/// <returns></returns>
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public static string GetReferer()
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{
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var context = HttpContext;
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if (null == context)
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{
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return string.Empty;
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}
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return context.Request.Headers["Referer"];
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}
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/// <summary>
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/// 产生随机数字
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/// </summary>
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/// <param name="start">开始数字</param>
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/// <param name="end">结束数字</param>
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/// <returns></returns>
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public static int GetRandomInt(int start, int end)
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{
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Random rd = new Random(GuidExtensions.NewGuid().ToInt()); ;
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return rd.Next(start, end);//(生成1~10之间的随机数，不包括10)
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}
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/// <summary>
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/// 产生随机字符串
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/// </summary>
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/// <returns>字符串位数</returns>
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public static string GetRandomString(int length)
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{
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int number;
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StringBuilder stringBuilder = new StringBuilder();
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Random random = new Random(GuidExtensions.NewGuid().ToInt());
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for (int i = 0; i < length; i++)
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{
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char code;
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number = random.Next();
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if (number % 2 == 0)
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code = (char)('0' + (char)(number % 10));
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else
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code = (char)('A' + (char)(number % 26));
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if (code.Equals('o') || code.Equals('0'))//去除O或者0
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{
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length += 1;
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continue;
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}
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stringBuilder.Append(code);
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}
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return stringBuilder.ToString();
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}
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/// <summary>
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/// 得到分页大小
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/// </summary>
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/// <param name="setCookie">是否写入COOKIE</param>
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/// <returns></returns>
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public static int GetPageSize(bool setCookie = true)
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{
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string size = HttpContext.Request.Forms("pagesize");
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if (!size.IsInt())
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{
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size = HttpContext.Request.Querys("pagesize");
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}
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if (!size.IsInt())
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{
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if (HttpContext.Request.Cookies.TryGetValue("roadflowcorepagesize", out string s))
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{
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size = s;
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}
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}
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int size2 = size.IsInt(out int size1) ? size1 : Config.PageSize;
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if (size2 <= 0)
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{
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size2 = Config.PageSize;
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}
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if (setCookie)
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{
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HttpContext.Response.Cookies.Append("roadflowcorepagesize", size2.ToString(), new CookieOptions() { Expires = DateExtensions.Now.AddYears(5) });
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}
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return size2;
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}
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/// <summary>
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/// 得到页号
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/// </summary>
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/// <returns></returns>
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public static int GetPageNumber()
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{
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string number = HttpContext.Request.Forms("pagenumber");
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if (!number.IsInt())
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{
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number = HttpContext.Request.Querys("pagenumber");
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}
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return number.IsInt(out int number1) ? number1 : 1;
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}
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/// <summary>
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/// 得到验证码图片
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/// </summary>
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/// <param name="code"></param>
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/// <param name="bgImg">背景图片，完整路径</param>
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/// <returns></returns>
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public static System.IO.MemoryStream GetValidateImg(out string code, string bgImg)
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{
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code = GetRandomString(4);
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Random rnd = new Random();
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System.Drawing.Bitmap img = new System.Drawing.Bitmap(78, 32);
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System.Drawing.Image bg = System.Drawing.Bitmap.FromFile(bgImg);
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System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(img);
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System.Drawing.Font font = new System.Drawing.Font("Arial", 20, (System.Drawing.FontStyle.Regular | System.Drawing.FontStyle.Italic));
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System.Drawing.Font fontbg = new System.Drawing.Font("Arial", 20, (System.Drawing.FontStyle.Regular | System.Drawing.FontStyle.Italic));
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g.DrawImage(bg, 0, 0, new System.Drawing.Rectangle(rnd.Next(bg.Width - img.Width), rnd.Next(bg.Height - img.Height), img.Width, img.Height), System.Drawing.GraphicsUnit.Pixel);
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g.DrawString(code, fontbg, System.Drawing.Brushes.White, 0, 1);
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g.DrawString(code, font, System.Drawing.Brushes.ForestGreen, 0, 1);//字颜色
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//画图片的背景噪音线
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int x = img.Width;
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int y1 = rnd.Next(5, img.Height);
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int y2 = rnd.Next(5, img.Height);
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g.DrawLine(new System.Drawing.Pen(System.Drawing.Color.Green, 2), 1, y1, x - 2, y2);
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g.DrawRectangle(new System.Drawing.Pen(System.Drawing.Color.Transparent), 0, 10, img.Width - 1, img.Height - 1);
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System.IO.MemoryStream ms = new System.IO.MemoryStream();
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img.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
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return ms;
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}
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/// <summary>
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/// 判断当前是否是手机访问
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/// </summary>
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/// <returns></returns>
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public static bool IsPhoneAccess(HttpRequest request)
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{
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if (null == request)
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{
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var context = HttpContext;
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if (null != context)
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{
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request = context.Request;
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}
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}
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if (null == request)
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{
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return false;
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}
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string u = request.Headers["User-Agent"];
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if (u.IsNullOrEmpty())
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{
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return false;
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}
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Regex b = new Regex(@"(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino", RegexOptions.IgnoreCase | RegexOptions.Multiline);
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Regex v = new Regex(@"1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-", RegexOptions.IgnoreCase | RegexOptions.Multiline);
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Regex w = new Regex(@".*wechat.*(\r\n)?", RegexOptions.IgnoreCase | RegexOptions.Multiline);
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return (b.IsMatch(u) || v.IsMatch(u.Substring(0, 4)) || w.IsMatch(u));
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}
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/// <summary>
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/// 判断是否是移动端页面访问（VUE版本）
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/// </summary>
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/// <param name="httpContext"></param>
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/// <returns></returns>
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public static bool IsMobileVue(HttpContext httpContext)
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{
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if (httpContext == null)
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{
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httpContext = HttpContext;
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}
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if (httpContext == null)
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{
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return false;
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}
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return IsPhoneAccess(httpContext.Request);
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//if ("1" == httpContext.Request.Querys("ismobile"))
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//{
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// return true;
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//}
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//if (httpContext.Request.Querys("loadurl").ContainsIgnoreCase("/mobile/"))
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//{
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// return true;
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//}
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//string refererString = string.Empty;
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//if (httpContext.Request.Headers.TryGetValue("Referer", out StringValues referer))
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//{
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// refererString = referer.ToString();
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//}
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//return !refererString.IsNullOrWhiteSpace()
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// && (refererString.UrlDecode().ContainsIgnoreCase("?loadurl=/mobile/")
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// || refererString.UrlDecode().ContainsIgnoreCase("?loadurl=/flow/run/index"));
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}
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/// <summary>
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/// 判断字符串表达式
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/// </summary>
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/// <param name="code"></param>
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/// <returns></returns>
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public static object ExecuteExpression(string Expression)
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{
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if (Expression.IsNullOrWhiteSpace())
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{
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return false;
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}
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string exp = Expression.Trim();
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if (exp.EndsWith("and", StringComparison.CurrentCultureIgnoreCase))
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{
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exp = exp.TrimEnd("and".ToCharArray());
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}
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if (exp.EndsWith("or", StringComparison.CurrentCultureIgnoreCase))
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{
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exp = exp.TrimEnd("or".ToCharArray());
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}
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System.Data.DataTable dt = new System.Data.DataTable();
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return dt.Compute(exp, "");
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}
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/// <summary>
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/// 得到web目录绝对路径(包含wwwroot，最后没有\)
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/// </summary>
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/// <returns></returns>
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public static string GetWebRootPath()
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{
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return null == _hostingEnvironment ? string.Empty : _hostingEnvironment.WebRootPath;
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}
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/// <summary>
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/// 得到站点目录绝对路径
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/// </summary>
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/// <returns></returns>
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public static string GetContentRootPath()
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{
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return Config.ContentRootPath.IsNullOrWhiteSpace()
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? null == _hostingEnvironment ? string.Empty : _hostingEnvironment.ContentRootPath : Config.ContentRootPath;
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}
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/// <summary>
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/// 得到当前主题
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/// </summary>
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/// <returns></returns>
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public static string GetCurrentTheme()
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{
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var httpContext = HttpContext;
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if (null == httpContext)
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{
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return "blue";
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}
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return httpContext.Request.Cookies.TryGetValue("rf_core_theme", out string theme) ? theme : "blue";
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}
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/// <summary>
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/// 执行反射
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/// </summary>
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/// <param name="name"></param>
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/// <param name="args"></param>
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/// <returns>object 执行结果，Exception 如果执行发生错误时的错误信息，为空表示成功</returns>
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public static (object, Exception) ExecuteMethod(string method, params object[] args)
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{
|
||
var _memoryCache = App.GetService<IMemoryCache>();
|
||
string dllName = string.Empty;
|
||
Assembly assembly = GetAssembly(_memoryCache, method, out dllName);
|
||
if (null == assembly)
|
||
{
|
||
assembly = GetAssemblyByFile(_memoryCache, method, out dllName);
|
||
}
|
||
if (null == assembly)
|
||
{
|
||
return (null, new Exception("未能载入资源-" + dllName));
|
||
}
|
||
string typeName = method.Substring(0, method.LastIndexOf('.'));
|
||
string methodName = method.Substring(method.LastIndexOf('.') + 1);
|
||
try
|
||
{
|
||
Type type = assembly.GetType(typeName, true);
|
||
object instance = Activator.CreateInstance(type, false);
|
||
return (type.GetMethod(methodName).Invoke(instance, args), null);
|
||
}
|
||
catch (Exception err)
|
||
{
|
||
err.Source += " 类型：" + typeName + " 方法：" + methodName + " DLL：" + dllName;
|
||
return (null, err);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 通过字符反射加载DLL对象
|
||
/// </summary>
|
||
/// <param name="name"></param>
|
||
/// <returns></returns>
|
||
public static Assembly GetAssembly(IMemoryCache _memoryCache, string name, out string dllName)
|
||
{
|
||
dllName = string.Empty;
|
||
//检查缓存中是否有该对象
|
||
string key = "assembly_" + name;
|
||
var obj = _memoryCache.Get(key);
|
||
if (null != obj)
|
||
{
|
||
return (Assembly)obj;
|
||
}
|
||
|
||
if (name.IsNullOrWhiteSpace())
|
||
{
|
||
return null;
|
||
}
|
||
string[] names = name.Split('.');
|
||
StringBuilder stringBuilder = new StringBuilder();
|
||
Assembly assembly = null;
|
||
foreach (string n in names)
|
||
{
|
||
try
|
||
{
|
||
stringBuilder.Append(n);
|
||
stringBuilder.Append(".");
|
||
dllName = stringBuilder.ToString().TrimEnd('.');
|
||
assembly = Assembly.Load(dllName);
|
||
if (null != assembly)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
|
||
}
|
||
}
|
||
_memoryCache.Set(key, assembly);
|
||
return assembly;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 加载程序集外的DLL
|
||
/// </summary>
|
||
/// <param name="name"></param>
|
||
/// <param name="dllName"></param>
|
||
/// <returns></returns>
|
||
public static Assembly GetAssemblyByFile(IMemoryCache _memoryCache, string name, out string dllName)
|
||
{
|
||
dllName = string.Empty;
|
||
//检查缓存中是否有该对象
|
||
string key = "assembly_" + name;
|
||
var obj = _memoryCache.Get(key);
|
||
if (null != obj)
|
||
{
|
||
return (Assembly)obj;
|
||
}
|
||
|
||
if (name.IsNullOrWhiteSpace())
|
||
{
|
||
return null;
|
||
}
|
||
string[] names = name.Split('.');
|
||
StringBuilder stringBuilder = new StringBuilder();
|
||
Assembly assembly = null;
|
||
string path = GetContentRootPath();
|
||
foreach (string n in names)
|
||
{
|
||
try
|
||
{
|
||
stringBuilder.Append(n);
|
||
stringBuilder.Append(".");
|
||
dllName = path + "\\" + stringBuilder.ToString().TrimEnd('.') + ".dll";
|
||
assembly = Assembly.LoadFrom(dllName);
|
||
if (null != assembly)
|
||
{
|
||
break;
|
||
}
|
||
}
|
||
catch
|
||
{
|
||
|
||
}
|
||
}
|
||
_memoryCache.Set(key, assembly);
|
||
return assembly;
|
||
}
|
||
|
||
#region 语言相关
|
||
/// <summary>
|
||
/// 得到当前语言
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public static string GetCurrentLanguage(HttpContext context = null)
|
||
{
|
||
//如果默认语言选项为空，说明配置文件中没有设置语言（不是多语言版）直接返回简体中文
|
||
if (Config.Language_Default.IsNullOrWhiteSpace())
|
||
{
|
||
return "zh-CN";
|
||
}
|
||
string language = GetCookieLanguage(context);
|
||
return language.IsNullOrWhiteSpace() ? Config.Language_Default : language;
|
||
}
|
||
/// <summary>
|
||
/// 从COOKIE得到当前语言
|
||
/// </summary>
|
||
/// <returns></returns>
|
||
public static string GetCookieLanguage(HttpContext context = null)
|
||
{
|
||
string language = string.Empty;
|
||
HttpContext httpContext = context ?? HttpContext;
|
||
if (httpContext != null && httpContext.Request.Cookies.TryGetValue(Config.Language_CookieName.IsNullOrWhiteSpace() ? ".AspNetCore.Culture" : Config.Language_CookieName, out string def))
|
||
{
|
||
string[] defs = def.Split('|');
|
||
if (defs.Length > 0)
|
||
{
|
||
language = defs[0].TrimStart('c', '=').Trim();
|
||
}
|
||
}
|
||
return language;
|
||
}
|
||
/// <summary>
|
||
/// 得到语言下拉选项
|
||
/// </summary>
|
||
/// <param name="defaultLanuage"></param>
|
||
/// <returns></returns>
|
||
public static string GetLanuageOptions(string defaultLanuage = "")
|
||
{
|
||
StringBuilder stringBuilder = new StringBuilder();
|
||
foreach (var lan in Config.Language_Dictionary)
|
||
{
|
||
stringBuilder.Append("<option value=\"" + lan.Key + "\"" + (defaultLanuage.Equals(lan.Key) ? " selected=\"selected\"" : "") + ">" + lan.Value + "</option>");
|
||
}
|
||
return stringBuilder.ToString();
|
||
}
|
||
#endregion
|
||
|
||
}
|
||
}
|