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  • MUI-numbox(数字输入框),最小值、最大值、步长、获取值、设置值、重定义

    本文主要介绍numbox(数字输入框),最小值、最大值、步长、获取值、设置值、重定义功能

    mui提供了数字输入框控件,可直接输入数字,也可以点击“+”、“-”按钮变换当前数值;默认numbox控件dom结构比较简单,如下:

    1 <div class="mui-numbox">
    2   <!-- "-"按钮,点击可减小当前数值 -->
    3   <button class="mui-btn mui-numbox-btn-minus" type="button">-</button>
    4   <input class="mui-numbox-input" type="number" />
    5   <!-- "+"按钮,点击可增大当前数值 -->
    6   <button class="mui-btn mui-numbox-btn-plus" type="button">+</button>
    7 </div>

    1、numbox属性,如下:

     numbox方法,如下: 

     2、实例:

    功能描述:

    ①默认 步长10,最小值100,最大值1000

    ②点击【获取当前值】按钮,当前值>500时,把numbox中的值设置为800,并弹出警告框

    ③当前值>200时,设置步长100,最小值1000,最大值2000,并弹出警告框

    源码如下:

     1 <!DOCTYPE html>
     2 <html>
     3  
     4     <head>
     5         <meta charset="utf-8">
     6         <title>数字输入框</title>
     7         <meta name="viewport" content="width=device-width, initial-scale=1,maximum-scale=1,user-scalable=no">
     8         <meta name="apple-mobile-web-app-capable" content="yes">
     9         <meta name="apple-mobile-web-app-status-bar-style" content="black">
    10         <!--标准mui.css-->
    11         <link rel="stylesheet" href="css/mui.min.css">
    12         <!--App自定义的css-->
    13         <link rel="stylesheet" type="text/css" href="css/app.css" />
    14         <style>
    15             /*             html,
    16             body, */
    17             /* .mui-content {
    18                 height: 0px;
    19                 margin: 0px;
    20                 background-color: #efeff4;
    21             }
    22             h5.mui-content-padded {
    23                 margin-left: 0px !important;
    24                 margin-top: 20px !important;
    25             }
    26             .mui-card {
    27                 margin: 0px;
    28             } */
    29         </style>
    30     </head>
    31  
    32     <body>
    33         <header class="mui-bar mui-bar-nav">
    34             <a class="mui-action-back mui-icon mui-icon-left-nav mui-pull-left"></a>
    35             <h1 class="mui-title">numbox</h1>
    36         </header>
    37         <div class="mui-content">
    38             <div class="mui-content-padded">
    39  
    40                 <!-- id要加在mui-numbox的开始,才能取到内部input的值 -->
    41                 <div id="data1" class="mui-numbox" data-numbox-step='10' data-numbox-min='100' data-numbox-max='1000'  style=" 180px;">
    42                     <button class="mui-btn mui-numbox-btn-minus" type="button">-</button>
    43                     <input class="mui-numbox-input" type="number" />
    44                     <button class="mui-btn mui-numbox-btn-plus" type="button">+</button>
    45                 </div>
    46                 <button type="button" class="mui-btn" id="btn1">获取当前值</button>
    47             </div>
    48         </div>
    49  
    50     </body>
    51     <script src="js/mui.min.js"></script>
    52     <script>
    53         mui.init();
    54         document.getElementById("btn1").addEventListener('tap', function(event) {
    55             var dd = mui('#data1').numbox().getValue();
    56             if(dd>=500){
    57                 mui('#data1').numbox().setValue(800);
    58                 dd=mui('#data1').numbox().getValue();
    59             }else if(dd>=200){
    60                 mui('#data1').numbox().setOption('step',100);//步长
    61                 mui('#data1').numbox().setOption('min',1000);//最小值
    62                 mui('#data1').numbox().setOption('max',2000);//最大值
    63                 dd=mui('#data1').numbox().getValue();
    64             }
    65             mui.alert(''+dd, '当前值: ', "确定");
    66         });
    67     </script>
    68 </html>
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  • 原文地址:https://www.cnblogs.com/lgx5/p/14696387.html
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