java.lang.IllegalArgumentException报错
阿懂!! 2017-11-24 09:34:50 <script type="text/javascript">
$(function(){
$("#userName").change(function(){
var val = $(this).val();
val = $.trim(val);
if(val !=""){
var url = "${pageContext.request.contextPath}/checkUser.action";
var args = {"userName":val,"time":new Date()};
$.post(url,args,function(data){
if(!data){
$("#message").innerHtml("该用户名已注册");
}
});
}
});
});
</script>
@RequestMapping(value="/checkUser",produces = "application/json")
public boolean checkUser(String userName) {
System.out.print(userName);
String name = "zhangsan";
if(userName.equals(name)) {
return false;
}
return true;
}