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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="http://www.mamicode.com/css/style.css" /><link type="text/css" rel="stylesheet" href="http://www.mamicode.com/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${activity.id }.jpg" id="pic">    </td></tr>    <tr><td align="center">        <table><tr><td align="center"><!-- <img id="pic"  src="http://www.mamicode.com/images/share.png" width="120px;"/> --></td>        <td align="center"><br/>            <c:if test="${hasTag == 1 }">                <img alt="" src="images/hd/nymz.png" width="160px;"/>            </c:if>            <c:if test="${hasTag == 0 && memNo != 0 }">                <!-- <a href="javascript:doSubmit();">222<img id="pic"  src="http://www.mamicode.com/images/hd/1rmb_in_2.png" width="320px;"/></a> -->                <input id="wymzBtn" type="image" src="images/hd/wymz.png" width="160px;" />            </c:if>            <!-- token错误找不到对应的memNo情况,Map返回为默认值的情况 -->            <c:if test="${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%; width: 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~!

手机页面宽度设置效果,去掉边框距离空白。