第2个回答 2019-10-15
function keyUp() {
var uname = document.getElementById("InputName").value;
var unameMode = /^[0-9A-z\u4e00-\u9fa5]{5,10}$/;
if (unameMode.test(uname)) {
console.log("用户名合法!");
$.ajax({
type : 'post',
url : '/film/user/checkUname',
data : 'uname='+uname,
dataType:"json",
success : function(data) {
console.log(data);
console.log(data.msg);
if("ok"==data.msg){
document.getElementById("unameMsg").innerHTML
= "<font color='green'>√用户名可用!</font>";
}else{
document.getElementById("unameMsg").innerHTML
= "<font color='red'>×用户名重复!</font>";
}
},
error : function() {
console.log('通讯失败!');
}
});
document.getElementById("unameMsg").innerHTML = "<font color='green'>√用户名合法!</font>";
} else {
console.log("用户名不合法!");
document.getElementById("unameMsg").innerText = "X用户名不合法!";
document.getElementById("unameMsg").style.color = "red";
}
}
下面是表单内容:
<input type="text" class="form-control" id="InputName"
name="uname" placeholder="请输入用户名" required onkeyup="keyUp()"/>
<span id="unameMsg"></span>