layui动态设置单选按钮选中效果实例
作者:developer of java
最近在使用layui前端框架,在使用单选按钮、下拉菜单select、checkbox等控件的时候,往往遇到一些初始化的东西,下面这篇文章主要给大家介绍了关于layui动态设置单选按钮选中效果的相关资料,需要的朋友可以参考下
很久没用过layui框架了,最近在修改代码时,遇到一个问题,就是怎么动态设置选中单选按钮。需求是根据后台返回的数据中的性别(0和1)设置动态选中性别单选按钮。
效果图如下:
前端页面代码如下:
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>个人资料--layui后台管理</title> <link rel="stylesheet" href="/layui/css/layui.css" rel="external nofollow" /> <link rel="stylesheet" href="/css/user.css" rel="external nofollow" /> </head> <body class="childrenBody"> <form class="layui-form" lay-filter="form"> <div class="user_left"> <div class="layui-form-item"> <label class="layui-form-label">用户名</label> <div class="layui-input-block"> <input class="layui-input layui-disabled username" name="username" disabled /> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">真实姓名</label> <div class="layui-input-block"> <input class="layui-input realName" lay-verify="required" name="name" /> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">性别</label> <div class="layui-input-block"> <input type="radio" name="gender" value="1" title="男" /> <input type="radio" name="gender" value="0" title="女" /> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">手机号码</label> <div class="layui-input-block"> <input type="tel" class="layui-input phone" lay-verify="required|phone" name="phone" /> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">出生年月</label> <div class="layui-input-block"> <input class="layui-input birthDate" lay-verify="required|date" name="birthDate" /> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">兴趣爱好</label> <div class="layui-input-block"> <input type="checkbox" name="like1[Java]" title="Java" /> <input type="checkbox" name="like1[C++]" title="C++" /> <input type="checkbox" name="like1[php]" title="PHP" /> <input type="checkbox" name="like1[javascript]" title="Javascript" /> <input type="checkbox" name="like1[jquery]" title="JQuery" /> <input type="checkbox" name="like1[html]" title="HTML5" /> <input type="checkbox" name="like1[css]" title="CSS3" /> <input type="checkbox" name="like1[VUE]" title="VUE" /> <input type="checkbox" name="like1[Layui]" title="Layui" /> <input type="checkbox" name="like1[EasyUI]" title="EasyUI" /> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">邮箱</label> <div class="layui-input-block"> <input class="layui-input email" lay-verify="required|email" name="email" /> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">自我评价</label> <div class="layui-input-block"> <textarea placeholder="请输入内容" class="layui-textarea"></textarea> </div> </div> </div> <div class="user_right"> <img class="layui-circle" title="更换头像" id="userFace" /> </div> <div class="layui-form-item" style="margin-left:5%;"> <div class="layui-input-block"> <a class="layui-btn" lay-submit="" lay-filter="save">立即提交</a> <button type="reset" class="layui-btn layui-btn-primary">重置</button> </div> </div> </form> <script src="/layui/layui.js"></script> <script src="/js/userInfo.js"></script> </body> </html>
后台接口/admin/getLogin返回的数据格式为
{ "code": 200, "data": { "id": 1, "name": "超级管理员", "gender": 0, "username": "admin", "password": "123456", "roleId": "11111", "head": "/admin/20220520004040.jpg", "phone": "18888888888", "email": "heyl_163_com@163.com", "birthDate": "2022-09-11", "unlockCode": "123456", "lastLoginTime": "2022-10-15 03:13:09" } }
userInfo.js文件的内容:
let $, form, $form; layui.config({ base : "/js/" }).use(['form', 'layer', 'laydate'],function(){ let layer = (parent.layer === undefined) ? layui.layer : parent.layer, laydate = layui.laydate, upload = layui.upload; $ = layui.jquery; form = layui.form; $form = $('form'); laydate.render({ elem: '.birthDate' }); $(".realName").attr("placeholder", "请输入真实姓名"); $(".phone").attr("placeholder", "请输入手机号码"); $(".birthDate").attr("placeholder", "请输入出生年月"); $(".email").attr("placeholder", "请输入邮箱"); upload.render({ elem: '#userFace', url: '/admin/upload', accept: 'file', done: function(res, index, upload) { $.get("/admin/getLogin", function(response) { $("#userFace").attr("src", response.data.head); layer.msg("头像修改成功"); }, 'json'); }, error: function(index, upload) { //请求异常回调 } }); $.get("/admin/getLogin", function(response) { let result = response.data; $(".email").val(result.email); $(".phone").val(result.phone); $(".realName").val(result.name); $(".username").val(result.username); $(".birthDate").val(result.birthDate); $("#userFace").attr("src", result.head); $("input:radio[value='" + result.gender +"']").prop("checked", true); }, 'json'); // 提交个人资料 form.on('submit(save)', function() { let index = layer.msg('提交中,请稍候',{ icon: 16, shade: 0.8, time: false }); let data = form.val("form"); $.post("/admin/updateById", data, function(response) { if(response.code === 200) { setTimeout(function(){ layer.close(index); layer.msg(response.message); }, 2000); } else { layer.alert(response.message, { icon: 2 }); } }, 'json'); }); });
看代码好像没有什么问题,但是实际运行却不会选中,选择器也正确获取到了,这个问题找了很久,几番周折,最后才发现原来是忘记了重新渲染表单,将以上代码的ajax请求部分修改为以下代码即可。
$.get("/admin/getLogin", function(response) { let result = response.data; $(".email").val(result.email); $(".phone").val(result.phone); $(".realName").val(result.name); $(".username").val(result.username); $(".birthDate").val(result.birthDate); $("#userFace").attr("src", result.head); $("input:radio[value='" + result.gender +"']").prop("checked", true); form.render(); // 新增的的表单渲染代码 }, 'json');
后面尝试了很多次,发现以下几种方法均可设置单选按钮选中
$("input:radio[value='" + result.gender +"']").prop("checked", true); $("input:radio[value='" + result.gender +"']").attr("checked", true); $("input:radio[value='" + result.gender +"']").prop("checked", "true"); $("input:radio[value='" + result.gender +"']").attr("checked", "true"); $("input:radio[value='" + result.gender +"']").prop("checked", "checked"); $("input:radio[value='" + result.gender +"']").attr("checked", "checked");
此外,layui给我们提供了一个非常简单的方法来设置表单的值,可以通过表单元素的name属性给表单全部元素赋值
$.get("/admin/getLogin", function(response) { let result = response.data; form.val("form", { "name": result.name, "phone": result.phone, "email": result.email, "gender": result.gender, "username": result.username, "birthDate": result.birthDate }); }, 'json');
总结
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