2016-01-15 js 學習

$(function() {
    var message=GetRequest();
    if(message.message!=null){
        $CommonUI.alert(message.message);
    }
});


function GetRequest() {
   var url = location.search; //獲取url中"?"符後的字串
   var theRequest = new Object();
   if (url.indexOf("?") != -1) {
      var str = url.substr(1);
      strs = str.split("&");
      for(var i = 0; i < strs.length; i ++) {
         theRequest[strs[i].split("=")[0]]=decodeURI(strs[i].split("=")[1]);
      }
   }
   return theRequest;
}

//登錄
function Login() {
    var userName = encodeURI(encodeURI($('input[name="userName"]').val()));
    var password = encodeURI($('input[name="password"]').val());
    if(userName.length>0&&password.length>0){
        //$CommonUI._AJAX_SUCC = false;
        postReq($WEB_ROOT_PATH+ '/login/loginCtrl.htm?BLHMI=login&dto.login.userName=' + userName + '&dto.login.password=' + password, "", succ, err, {skipHidden:false});
    }else{
        alert("賬戶、密碼不能爲空!");
    }  
}

location.search  location js中dom內置對象

var theRequest = new Object() 
後面分解爲三個數組對象

theRequest[BLHMI] 值 login
<pre name="code" class="javascript">theRequest[dto.login.username] 值 'username'
<pre name="code" class="javascript">theRequest[dto.login.password] 值 'passwoe'

var str = url.substr(1); //str =BLHMI=login&dto.login.userName=' + userName + '&dto.login.password=' + password

substr(x,y)

x  爲字符的索引，正數從左往右  從0開始  負數從右往左

y 爲截取的字符個數