sql代码：<select id="getVaildateUser" resultClass="AppUser" parameterClass="AppUser">
SELECT
* from omcm_user
WHERE UserName=#username#
<dynamic>
<isNotEmpty property="password">AND Password =#password# </isNotEmpty>
</dynamic>
</select>
dao层：public boolean loginform(AppUser user);
daoImpl层：
public boolean loginform(AppUser user) {
try {
AppUser users = (AppUser) getSqlMapClientTemplate().queryForObject("getVaildateUser",user);
return users==null?false:true;
} catch (DataAccessException e) {
e.printStackTrace();
}return false;
}
server层： public boolean loginform(AppUser user);
serverImpl层：
public boolean loginform(AppUser user) {
return systemDao.loginform(user);
}
control层:
public void loginIndex(HttpServletRequest request,
HttpServletResponse response, AppUser user) {
Map<String, Boolean> map=new HashMap<String, Boolean>();
boolean resu=systemService.loginform(user);
map.put("msg", resu);
Util.writeUtf8Text(response, JsonUtil.objectjson(map));
}
页面代码：
<script type="text/javascript">
$(document).ready(function() {
$("input[id]").bind("focus",function () {
if($(this).attr("id")=='username'||$(this).attr("id")=='password')
$(this).attr("value","");
});
$("#submit").bind("click", function() {
if (valid()) {
$.ajax({
type: "POST",
url: "http://localhost:8080/OmcmWap/system.do?event=loginIndex",
data: $("#loginform").serialize(),
success : function(data) {
if (data=='{"msg":true}') {
alert("登录成功！");
$.mobile.changePage("content/first.html","slidedown", true, true);
} else {
alert("登录失败！");
$.mobile.changePage("content/loginfail.html","slidedown", true, true);
}
},
error : function(data) {
alert("出错了,请联系管理员！");
}
});
}
})
});
function valid(){
if($("#username").attr("value")==''||$("#password").attr("value")=='')
{
$.mobile.changePage("content/loginfail.html","slidedown", true, true);
return false;
}
return true;
};
</script>
<style type="text/css">
p {
font-size: 1.5em;
font-weight: bold;
}
#submit{
float:right; margin:10px;
}
#toregister{
float:right; margin:10px;
}
#toregist{
float:left; margin:10px;
}
</style>
</head>
<body>
<section id="page1" data-role="page">
<header data-role="header" data-theme="b">
<h1>用户登录</h1>
</header>
<div data-role="content" class="content">
<form method="post" id="loginform">
<input type="text" id="username" name="username" value="用户名"/><br>
<input type="password" name="password" id="password" value="密码输入提示"/>
<a href="#" data-role="button" id="toregister">注册</a>
<a href="#" data-role="button" id="submit" data-theme="b">登录</a>
</form>
</div>
<footer data-role="footer"><h1>
版权所有中国移动
</h1></footer>
</section>
</body>