手机页面宽度设置效果,去掉边框距离空白。

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--  -->
<!-- <!DOCTYPE html> -->

<html>
<head>
<base href="http://${header['host']}${pageContext.request.contextPath}/"/>
<!-- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">  -->
<meta name="viewport" http-equiv="Content-Type" content="text/html; charset=UTF-8;width=device-width, initial-scale=1.0, minimum-scale=0.5, maximum-scale=2.0, user-scalable=yes"><!-- -->
<!-- <meta name="viewport" content="width=device-width, initial-scale=1" /> -->
<!-- <meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />  --> 

<!-- <link type="text/css" rel="stylesheet" href="css/style.css" />
<link type="text/css" rel="stylesheet" href="css/tableStyle.css"  /> -->
<style type="text/css">
    body,th,td{margin:0;padding:0}
    table{border-collapse:collapse;border-spacing:0}
</style>

<title>营销活动</title>
<script type="text/javascript">
function checkForm(){
    document.getElementById("wymzBtn").disabled="disabled";  //设置禁用。
    return true;
    //return false;
}
</script>
</head>
<body style="background: #ffffff;">
<form id="searchForm" action="activity/addMem" method="post" onsubmit="return checkForm();">
<table id="t1" align="center">
    <tr><td align="center">
            <img alt="" src="images/hd/yymz${activity.id }.jpg" id="pic">
    </td></tr>
    <tr><td align="center">
        <table><tr><td align="center"><!-- <img id="pic" alt="" src="images/share.png" width="120px;"/> --></td>
        <td align="center"><br/>
            <c:if test="${hasTag == 1 }">
                <img alt="" src="images/hd/nymz.png" width="160px;"/>
            </c:if>
            <c:if test="${hasTag == 0 && memNo != 0 }">
                <!-- <a href="javascript:doSubmit();">222<img id="pic" alt="" src="images/hd/1rmb_in_2.png" width="320px;"/></a> -->
                <input id="wymzBtn" type="image" src="images/hd/wymz.png" width="160px;" />
            </c:if>
            <!-- token错误找不到对应的memNo情况,Map返回为默认值的情况 -->
            <c:if test="${hasTag == 0 && memNo == 0 }">
                <img alt="" src="images/hd/wymz.png" width="160px;"/>
            </c:if>    
            <br/><br/>
        </td>
        </tr></table>
    </td></tr>
    
    <%-- <tr><td align="center" style="font-weight: 700; font-size: 16px; color: #00a0ff; line-height: 180%;  100%; padding: 0 0 20px 0;">已有<strong>${amCount+100}</strong>人参与</td></tr>
     --%>
</table>
    <input type="hidden" name="activityId" value="${activity.id }">
    <input type="hidden" name="memNo" value="${memNo }">
    <input type="hidden" name="token" value="${token }"> 
    <input type="hidden" name="carNo" value="${activity.otherInfo }"> 
</form>
<script type="text/javascript">
var witdh =  document.body.clientWidth;  //动态获取屏幕宽度
document.getElementById("pic").width=witdh;
document.getElementById("t1").width=witdh;
//alert("屏幕宽度是:"+witdh);

</script>

</body>
</html>

注意:重点是css代码

body,th,td{margin:0;padding:0}
table{border-collapse:collapse;border-spacing:0}
body也是一个容器。也存在margin,padding设置~!

原文地址:https://www.cnblogs.com/simpledev/p/3935579.html