php与前端（一）：模态框的新增和修改

千万不要在一个模态框上重叠另一个模态框。要想同时支持多个模态框，需要自己写额外的代码来实现。所以写两段modal Html代码

一：引入文件

<link rel="stylesheet" href="http://cdn.bootcss.com/bootstrap/3.3.0/css/bootstrap.min.css">
<script class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="http://cdn.bootcss.com/jquery/1.11.1/jquery.min.js"></script>
<script class="lazyload" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC" data-original="http://cdn.bootcss.com/bootstrap/3.3.0/js/bootstrap.min.js"></script>

1：html代码

<div class="modal fade hide" id="add" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
                <h4 class="modal-title" id="myAddModal">新增</h4>
            </div>
            <div class="modal-body">
                名字：<input type="text" name="name" id="add_name"  value="" />
            </div>
            <div class="modal-footer">
                <button type="button" class="button button btn-default" data-dismiss="modal">关闭</button>
                <button type="button" class="button button-primary" onclick="insert()">提交新增</button>
            </div>
        </div>
    </div>
</div>

2：对应的js

    //显示新增数据的模态框
    $(".btn_add").on('click',function(){
        $('#add').modal('show');
    });
    //新增数据
    function insert(){
        var name = $("#add_name").val();
        if(!name){
            alert('名字不能为空！');
        }
        postData = {};
        postData['name'] = name;
        var url = "__CONTROLLER__/insert";
        $.post(url,postData,function(result){
            if(result.status == 1){
                alert(result.message,);
            }else if(result.status == 0){
                alert(result.message);
            }
        },'json');
    };

首先，在模态框显示之前，把修改的记录的数据，填充到模态框的表单中。 

1：html代码

<div class="modal fade hide" id="edit" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
    <form id="myForm" class="form-horizontal">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-hidden="true">×</button>
                <h4 class="modal-title" id="myEditModal">修改</h4>
            </div>
            <div class="modal-body">
                <input type="hidden" name="id" value="" id="edit_id" />
                名字：<input type="text" name="name" id="edit_name" value="" />
            </div>
            <div class="modal-footer">
                <button type="button" class="button " data-dismiss="modal">关闭</button>
                <button type="button" class="button" onclick="update()">提交更改</button>
            </div>
        </div>
        <!-- /.modal-content -->
    </div>
    <!-- /.modal -->
    </form>
</div>

2：js代码
注意：在这里取的该条记录的数据 有两种方法，一是直接ajax请求获取，二是获取改按钮表格的内容

    //显示修改数据的模态框
    $(".btn_edit").on('click',function(){
        var name = $(this).parent().prev().text();
        var id = $(this).attr('data_id');
        $("#edit_name").attr('value',name);
        $("#edit_id").attr('value',id);
        $('#edit').modal('show');
    });
    function update(){
        var data = $(".form-horizontal").serializeArray();
        postData = {};
        $(data).each(function(i){
            postData[this.name] = this.value;
        });
        if(!postData['name']){
            return dialog.error('名字不能为空');
        }
        if(!postData['id']){
            return dialog.error('ID不能为空');
        }
        var url = "__CONTROLLER__/update";
        $.post(url,postData,function(result){
            if(result.status == 1){
                alert(result.message);
            }else if(result.status == 0){
                alert(result.message);
            }
        },'json');
    }