常用的js小方法

常用的js小方法

<%@taglib prefix=”c” uri=”http://java.sun.com/jsp/jstl/core”%>

<%
String path = request.getContextPath();
String basePath = request.getScheme()+”://”+request.getServerName()+”:”+request.getServerPort()+path+”/”;
%>
”>
//斷行符號登入

         document.onkeydown = function(e){              var ev = document.all ? window.event : e;              if(ev.keyCode==13) {                  login();             }         };

/**
* 重設
*/

         function reset(){             $('#loginName').val('');             $('#passwd').val('');         }

/**
* 去掉前後空格
*/

    function trim(str) {          var tarStr = str.replace(/^\s*|\s*$/g, "");          return tarStr;      }

/**
*登入
*/

function login(){var userId = trim($('#userId').val());var captchaId = trim($('#captchaId').val()); var passwordId1 = trim($('#passwordId').val());var passwordId=$.md5(decodeURI($('#passwordId').val()));if(userId ==""){$("#errMsgId").text("使用者名稱必填");return;}if(passwordId1 ==""){$("#errMsgId").text("密碼必填");return;}if(passwordId1 != "" && passwordId1.length<6){$("#errMsgId").text("密碼長度少於6位");return;}if(captchaId ==""){$("#errMsgId").text("驗證碼必填");return;}$.ajax({type : "GET",            url : "corpManager/loginSys.action?captcha="+captchaId+'&passWord='+passwordId+'&userAccount='+userId+"&d="+Math.random(),           contentType : "application/json",             success : function(data) {                if(data == '0') {                $("#errMsgId").text("驗證碼錯誤");                }else if(data == '1'){                location.href="redirect/toCorp.action?d="+Math.random();;                }else if(data == '2'){                $("#errMsgId").text("使用者名稱或密碼錯誤");                }else{                $("#errMsgId").text(data);                }                },            error:function(XMLHttpRequest, textStatus, errorThrow){            ajaxException(XMLHttpRequest);            }});}