KevinWG’s gists

KevinWG / QuickGenerateModelCode

Last active January 15, 2017 02:46

快速从文档中生成model实体

	<!DOCTYPE html>
	<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
	<head>
	<meta charset="utf-8" />
	<title>快速从文档描述生成实体</title>
	<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
	<script src="http://code.jquery.com/jquery-3.1.1.min.js" integrity="sha256-hVVnYaiADRTO2PzUGmuLJr8BLUSjGIZsDYGmIJLv2b8=" crossorigin="anonymous"></script>
	</head>
	<body style="padding-top: 10px;">

KevinWG / ImageAuto

Created May 12, 2016 08:20

图片保存时，按照不同比例裁切方法

	public static class ImageHelper
	{
	/// <summary>
	///
	/// </summary>
	/// <param name="jpeg_image_upload"></param>
	/// <param name="target_height"></param>
	/// <param name="fixedType"></param>
	/// <param name="path"></param>
	/// <returns>返回是否保存成功</returns>

KevinWG / uediter给上传控件封装一个对外方法

Created January 4, 2016 17:41

	WebUploader.Uploader.prototype._originInit = WebUploader.Uploader.prototype._init;
	$.extend(WebUploader.Uploader.prototype, {
	_init: function () {
	if (!!arguments) {
	this._originInit(arguments[0]);
	} else {
	this._originInit();
	}
	if (!!this._instanceInit) {
	this._instanceInit(this);

KevinWG / gist:badd7c24036ffbf142e4

Created June 26, 2015 03:22

根据传入要更新的表达式获取更新的列名

	/// <summary>
	/// 根据传入要更新的表达式获取更新的列名
	/// </summary>
	/// <param name="funExpression"></param>
	/// <returns></returns>
	private IList<string> GetColumnNames(Expression<Func<TEntityType, object>> funExpression)
	{
	if (funExpression.Body.NodeType != ExpressionType.New)
	throw new ArgumentException("请传入正确表达式！", "funExpression");

KevinWG / gist:14af918d387395aecb3c

Created June 11, 2015 10:37

获取客户端IP地址

	/// <summary>
	/// 获得客户端IP
	/// </summary>
	/// <returns></returns>
	private static string GetClientIp()
	{

	string ipAddress = HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
	if (!string.IsNullOrEmpty(ipAddress))
	return ipAddress;

KevinWG / gist:f268a5835e7289e93337

Created April 25, 2015 04:45

webapi help page支持多个类库注释

	HelpPageConfig 页中调用示例：
	config.SetDocumentationProvider(new XmlDocumentationProvider("App_Data/1.XML;App_Data/2.XML;App_Data/3.XML"));

	修改XmlDocumentationProvider 类中构造函数：
	/// <summary>
	/// Initializes a new instance of the <see cref="XmlDocumentationProvider"/> class.
	/// </summary>
	/// <param name="documentPath">The physical path to XML document.</param>
	public XmlDocumentationProvider(string documentPath)
	{

KevinWG / ThreadStatic

Created October 26, 2013 03:01

test threadstatic

	class Program
	{
	static void Main(string[] args)
	{

	ThreaStaticTest test = new ThreaStaticTest();
	ThreaStaticTest.Num = 8;
	ThreaStaticTest.TreadStaticNum = 8;
	test.DymNum = 8;
	test.ConsoleNum();

KevinWG / gist:5734507

Created June 8, 2013 08:22

百度地图的坐标转换


	//百度地图的坐标转换，由于百度地图在GCJ02协议的基础上又做了一次处理，变为 BD09协议的坐标，以下是坐标的转化方式，可以方便和其他平台转化
	jQuery.MapConvert = {
	x_pi: 3.14159265358979324 * 3000.0 / 180.0,
	/// <summary>
	/// 中国正常坐标系GCJ02协议的坐标，转到百度地图对应的 BD09 协议坐标
	/// point 为传入的对象，例如{lat:xxxxx,lng:xxxxx}
	/// </summary>
	Convert_GCJ02_To_BD09: function (point) {
	var x = point.lng, y = point.lat;

KevinWG / gist:5734398

Created June 8, 2013 07:21

百度地图的坐标转换，由于百度地图在GCJ02协议的基础上又做了一次处理，变为 BD09协议的坐标，以下是坐标的转化方式，可以方便和其他平台转化

	private const double x_pi = 3.14159265358979324 * 3000.0 / 180.0;
	/// <summary>
	/// 中国正常坐标系GCJ02协议的坐标，转到百度地图对应的 BD09 协议坐标
	/// </summary>
	/// <param name="lat">维度</param>
	/// <param name="lng">经度</param>
	public static void Convert_GCJ02_To_BD09(ref double lat,ref double lng)
	{
	double x = lng, y = lat;
	double z =Math.Sqrt(x * x + y * y) + 0.00002 * Math.Sin(y * x_pi);

KevinWG / LongToShortCode.cs

Last active February 19, 2016 10:00

.net 下的短链生成，一般的做法是给链接MD5加密，获取32位 16进制字符，每八位一组，转化成长整形，生成短链


	/// <summary>
	/// 根据数字生成短码
	/// </summary>
	/// <param name="num">需要加密的转换的长整形</param>
	/// <returns></returns>
	public static string GetShortCode(long num)
	{
	// 排除 0 4 o v
	char[] chars = new char[]

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