/*------------------------------------------
 * 清除字符串兩端空格，包含換行符、制表符
 *------------------------------------------*/
String.prototype.Trim = function () { return this.replace(/(^[\s\n\t]+|[\s\n\t]+$)/g, ""); }

/*----------------------------------------
 * 獲取當(dāng)前函數(shù)的參數(shù)對象
 *----------------------------------------
 * diffCase 是否區(qū)分大小寫，默認(rèn) false
 *----------------------------------------*/
function GetArgs(diffCase) {

 //返回參數(shù)對象
 var result = new Object();

 //獲取調(diào)用函數(shù)
 var caller = arguments.callee.caller;
 if (caller == null || caller.arguments.length == 0) return result;

 //獲取函數(shù)的參數(shù)集合
 var matchs = caller.toString().match(/\s*function[\w\s]*\(([\w\s,]*)\)/);
 if (matchs == null) return result;
 var argArray = matchs[1].split(",");

 //獲取參數(shù)對象
 var params = caller.arguments[0];
 var index = typeof (params) == "object" ? 1 : 0;
 if (index == 1) {
  for (var p in params) {
   for (var i = 0; i < argArray.length; i++) {
    var arg = argArray[i].Trim();
    if (diffCase) {
     if (arg == p) {
      result[arg] = params[p];
      break;
     }
    } else {
     if (arg.toLocaleLowerCase() == p.toLocaleLowerCase()) {
      result[arg] = params[p];
      break;
     }
    }
   }
  }
 }
   
 //多個(gè)參數(shù)將第一個(gè)后面的參數(shù)覆蓋對象傳入的參數(shù)
 for (var i = index; i < argArray.length && i < caller.arguments.length; i++)
  result[argArray[i].Trim()] = caller.arguments[i];

 return result;
}

//測試函數(shù)
function Test(name, age) {

 //獲取參數(shù)對象
 var args = GetArgs();

 alert("姓名：" + args.name + "，年齡：" + args.age);

}

//調(diào)用測試
Test("張三", 25);
Test({ name: "李四", age: 30 });
Test({ name: "王五" }, 18);