JS实现仿微信支付弹窗功能

程序员文章站 2022-05-20 22:57:57

先奉上效果图 html代码 <...

先奉上效果图

JS实现仿微信支付弹窗功能

html代码

<!doctype html> 
<html> 
  <head> 
    <title>仿手机微信支付输入密码界面效果</title> 
    <meta charset="utf-8" /> 
    <meta name="viewport" content="initial-scale=1.0, width=device-width, user-scalable=no" /> 
    <link rel="stylesheet" type="text/css" href="css/rest.css" rel="external nofollow" /> 
  </head> 
  <body> 
    <!-- 打开弹窗按钮 --> 
    <button id="mybtn">去支付</button> 
    <!-- 弹窗 --> 
    <div id="mymodal" class="modal"> 
      <!-- 弹窗内容 --> 
      <div class="modal-content"> 
        <div class="paymentarea"> 
          <div class="paymentarea-entry"> 
            <div class="paymentarea-entry-head"> 
              <img src="images/xx_03.jpg" class="close" /> 
              <img src="images/jftc_03.png" class="useimg"> 
              <span class="tips-txt">请输入支付密码</span> 
            </div> 
            <div class="paymentarea-entry-content"> 
              <div class="pay-name">测试商品</div> 
              <div class="pay-price">￥88.88</div> 
            </div> 
            <ul class="paymentarea-entry-row"></ul> 
          </div> 
          <div class="paymentarea-keyboard"> 
            <h4> 
              <img src="images/jftc_14.jpg" height="10" /> 
            </h4> 
            <ul class="target"> 
              <li> 
                <a>1</a> 
                <a>2</a> 
                <a>3</a> 
              </li> 
              <li> 
                <a>4</a> 
                <a>5</a> 
                <a>6</a> 
              </li> 
              <li> 
                <a>7</a> 
                <a>8</a> 
                <a>9</a> 
              </li> 
              <li> 
                <a>清空</a> 
                <a> 0 </a> 
                <a>删除</a> 
              </li> 
            </ul> 
          </div> 
        </div> 
      </div> 
    </div> 
  </body> 
</html>

css

body { 
        margin: 0; 
        padding: 0; 
        font-size: 0.3rem; 
        font-family: "微软雅黑", arial; 
      } 
      ul, 
      li { 
        margin: 0; 
        padding: 0; 
        list-style: none; 
      } 
      img { 
        display: block; 
      } 
      #mybtn { 
        display: block; 
        width: 80%; 
        height: auto; 
        margin: 5rem auto; 
        padding: 0.2rem; 
        border-radius: 5px; 
        border: 0; 
        outline: none; 
        font-family: "微软雅黑"; 
        color: #fff; 
        background-color: #5cb85c; 
      } 
      /* 弹窗 */ 
      .modal { 
        display: none; 
        /* 默认隐藏 */ 
        position: fixed; 
        z-index: 1; 
        left: 0; 
        top: 0; 
        width: 100%; 
        height: 100%; 
        overflow: auto; 
        background-color: rgb(0, 0, 0); 
        background-color: rgba(0, 0, 0, 0.4); 
        -webkit-animation-name: fadein; 
        -webkit-animation-duration: 0.4s; 
        animation-name: fadein; 
        animation-duration: 0.4s 
      } 
      /* 弹窗内容 */ 
      .modal-content { 
        position: fixed; 
        bottom: 0; 
        /*background-color: #fefefe;*/ 
        width: 100%; 
        -webkit-animation-name: slidein; 
        -webkit-animation-duration: 0.4s; 
        animation-name: slidein; 
        animation-duration: 0.4s 
      } 
      /** 
       * 支付弹窗样式 
       * **/ 
      .paymentarea-entry { 
        width: 90%; 
        margin: 0 auto; 
        padding-bottom: 0.3rem; 
        background-color: #fff; 
      } 
      .paymentarea-entry-head { 
        display: flex; 
        display: -webkit-flex; 
        height: 0.8rem; 
        line-height: 0.8rem; 
        padding: 0.2rem; 
        border-bottom: 1px solid #5cb85c; 
      } 
      /* 关闭按钮 */ 
      .paymentarea-entry-head .close { 
        width: 0.5rem; 
        height: 0.5rem; 
        padding: 0.15rem 0.15rem 0.15rem 0; 
      } 
      .paymentarea-entry-head .close:hover, 
      .paymentarea-entry-head .close:focus { 
        color: #000; 
        text-decoration: none; 
        cursor: pointer; 
      } 
      .paymentarea-entry-head .useimg { 
        width: 0.8rem; 
        height: 0.8rem; 
        margin-right: 0.15rem; 
      } 
      .paymentarea-entry-head .tips-txt { 
        font-size: 0.4rem; 
      } 
      .paymentarea-entry-content { 
        position: relative; 
        padding: 0.2rem 0; 
        text-align: center; 
      } 
      .paymentarea-entry-content:after { 
        content: ""; 
        position: absolute; 
        bottom: 0; 
        left: 0.3rem; 
        right: 0.3rem; 
        height: 1px; 
        background-color: #ddd; 
      } 
      .paymentarea-entry-content .pay-name { 
        font-size: 0.3rem; 
      } 
      .paymentarea-entry-content .pay-price { 
        font-size: 0.4rem; 
        font-weight: bold; 
      } 
      ul.paymentarea-entry-row { 
        display: flex; 
        display: -webkit-flex; 
        justify-content: space-between; 
        margin: 0.2rem 0.3rem 0 0.3rem; 
        padding: 0; 
        border: 1px solid #a2a2a2; 
      } 
      ul.paymentarea-entry-row li { 
        position: relative; 
        flex-grow: 1; 
        min-width: 1rem; 
        height: 0.8rem; 
        line-height: 0.8rem; 
        text-align: center; 
        border-right: 1px solid #ddd; 
      } 
      ul.paymentarea-entry-row li:last-child { 
        border-right: 0; 
      } 
      ul.paymentarea-entry-row li img { 
        position: absolute; 
        top: 50%; 
        left: 50%; 
        width: 0.5rem; 
        height: 0.5rem; 
        margin: -0.25rem 0 0 -0.25rem; 
      } 
      .paymentarea-keyboard { 
        margin-top: 1.2rem; 
        background-color: #fff; 
      } 
      .paymentarea-keyboard h4 { 
        height: 0.5rem; 
        line-height: 0.5rem; 
        margin: 0; 
        text-align: center; 
      } 
      .paymentarea-keyboard h4 img { 
        width: 0.93rem; 
        height: 0.32rem; 
        margin: 0 auto; 
      } 
      .paymentarea-keyboard h4:active { 
        background-color: #e3e3e3; 
      } 
      .paymentarea-keyboard ul { 
        border-top: 1px solid #ddd; 
      } 
      .paymentarea-keyboard li { 
        display: flex; 
        display: -webkit-flex; 
        justify-content: space-between; 
        border-bottom: 1px solid #ddd; 
      } 
      .paymentarea-keyboard li a { 
        flex-grow: 1; 
        display: block; 
        min-width: 1rem; 
        line-height: 1rem; 
        border-right: 1px solid #ddd; 
        font-size: 0.3rem; 
        text-align: center; 
        text-decoration: none; 
        color: #000; 
      } 
      .paymentarea-keyboard li:last-child, 
      .paymentarea-keyboard li a:last-child { 
        border: 0; 
      } 
      .paymentarea-keyboard li a:active { 
        outline: none; 
        background-color: #ddd; 
      } 
      /* 添加动画 */ 
      @-webkit-keyframes slidein { 
        from { 
          bottom: -300px; 
          opacity: 0 
        } 
        to { 
          bottom: 0; 
          opacity: 1 
        } 
      } 
      @keyframes slidein { 
        from { 
          bottom: -300px; 
          opacity: 0 
        } 
        to { 
          bottom: 0; 
          opacity: 1 
        } 
      } 
      @-webkit-keyframes fadein { 
        from { 
          opacity: 0 
        } 
        to { 
          opacity: 1 
        } 
      } 
      @keyframes fadein { 
        from { 
          opacity: 0 
        } 
        to { 
          opacity: 1 
        } 
      }

//定义根目录字体大小，通过rem实现适配 
      document.addeventlistener("domcontentloaded", function() { 
        var html = document.documentelement; 
        var windowwidth = html.clientwidth; 
        //console.log(windowwidth) 
        html.style.fontsize = windowwidth / 7.5 + "px"; 
      }, false); 
      // 获取弹窗 
      var modal = document.getelementbyid('mymodal'); 
      // 打开弹窗的按钮对象 
      var btn = document.getelementbyid("mybtn"); 
      // 获取 <span> 元素，用于关闭弹窗 that closes the modal 
      var span = document.getelementsbyclassname("close")[0]; 
      /*创建密码输入框*/ 
      var entryarea = document.queryselector(".paymentarea-entry-row"); 
      for(var i = 0; i < 6; i++) { 
        var li = document.createelement("li"); 
        entryarea.appendchild(li); 
      } 
      /*键盘操作*/ 
      var doms = document.queryselectorall('ul li a'); 
      var entrylis = document.queryselectorall(".paymentarea-entry-row li"); 
      var pwds = ""; //存储密码 
      var count = 0; //记录点击次数 
      for(var i = 0; i < doms.length; i++) { 
        ! function(dom, index) { 
          dom.addeventlistener('click', function() { 
            var txt = this.innerhtml; 
            switch(txt) { 
              case "清空": 
                if(count != 0) { 
                  for(var i = 0; i < entrylis.length; i++) { 
                    entrylis[i].innerhtml = ""; 
                  } 
                  pwds = ""; 
                  count = 0; 
                  console.log(pwds) 
                  console.log(count) 
                } 
                break; 
              case "删除": 
                if(count != 0) { 
                  console.log(pwds) 
                  entrylis[count - 1].innerhtml = ""; 
                  pwds = pwds.substring(0, pwds.length - 1); 
                  count--; 
                  console.log(pwds) 
                  console.log(count) 
                } 
                break; 
              default: 
                /*通过判断点击次数 向输入框填充内容*/ 
                if(count < 6) { 
                  /*创建一个图片对象 插入到方框中*/ 
                  var img = new image(); 
                  img.src = "images/dd_03.jpg"; 
                  entrylis[count].appendchild(img); 
                  /*为存储密码的对象赋值*/ 
                  if(pwds == "") { 
                    pwds = txt; 
                  } else { 
                    pwds += txt; 
                  } 
                  count++; 
                  if(pwds.length == 6) { 
                    location.href = "https://www.baidu.com"; 
                  } 
                } else { 
                  return; 
                  alert("超出限制") 
                } 
            } 
          }); 
        }(doms[i], i); 
      } 
      // 点击按钮打开弹窗 
      btn.onclick = function() { 
        modal.style.display = "block"; 
      } 
      // 点击 <span> (x), 关闭弹窗 
      span.onclick = function() { 
        modal.style.display = "none"; 
        if(count != 0) { 
          for(var i = 0; i < entrylis.length; i++) { 
            entrylis[i].innerhtml = ""; 
          } 
          pwds = ""; 
          count = 0; 
        } 
      } 
      // 在用户点击其他地方时，关闭弹窗 
      window.onclick = function(event) { 
        if(event.target == modal) { 
          modal.style.display = "none"; 
          if(count != 0) { 
          for(var i = 0; i < entrylis.length; i++) { 
            entrylis[i].innerhtml = ""; 
          } 
          pwds = ""; 
          count = 0; 
        } 
        } 
      } 
      /*开关键盘*/ 
      var openkey = document.queryselector(".paymentarea-entry-row"); 
      var switchofkey = document.queryselector(".paymentarea-keyboard h4"); 
      switchofkey.addeventlistener('click', function() { 
        var keyboardh = document.queryselector(".paymentarea-keyboard").clientheight; 
        document.queryselector(".paymentarea-keyboard").style.height = keyboardh + "px"; 
        document.queryselector(".paymentarea-keyboard").style.backgroundcolor = "transparent"; 
        document.queryselector(".paymentarea-keyboard h4").style.display = "none"; 
        document.queryselector(".paymentarea-keyboard ul").style.display = "none"; 
      }) 
      openkey.addeventlistener('click', function() { 
        document.queryselector(".paymentarea-keyboard").style.backgroundcolor = "#fff"; 
        document.queryselector(".paymentarea-keyboard h4").style.display = "block"; 
        document.queryselector(".paymentarea-keyboard ul").style.display = "block"; 
      })

总结

以上所述是小编给大家介绍的js实现仿微信支付弹窗功能，希望对大家有所帮助

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