mmmv390的专栏

#region "实现这个窗口类的单例，单例类常用于被主窗口以show()方法打开的窗口，使用单例后只会打开一个此类的对象" //1.私有化构造函数，使在外部不能new(开辟堆空间,创建对象，调用构造函数) private FStudentMan() { InitializeComponent(); }

#region 导出dataViewGrid视图中的数据为xls格式 private void btnExportList_Click(object sender, EventArgs e) { string fname = string.Empty; SaveFileDialog sfd = new SaveFil

using System;using System.CodeDom.Compiler;using System.Collections.Generic;using System.Linq;using System.Reflection;using System.Text;using System.Threading.Tasks;namespace webpro{ publ

package com.fhs.main;import java.io.File;import javax.script.Invocable;import javax.script.ScriptEngine;import javax.script.ScriptEngineManager;import javax.script.ScriptException;public clas

private string HttpPost(string Url, string postDataStr)        {            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);            request.Method = "POST";