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使用js动态添加组件

2015-11-11 16:43 811 查看

在文章开始之前,我想说两点

1 自己初学js,文章的内容在大神看来可能就是不值一提,但是谁都是从hello world来的,望高手不吝指教#

2 我知道这个标题起的比较蛋疼,大家看图就能说明问题:

初始页面如下图:

点击"有"后,如下图:

点击"点此添加条目"两次后,如下图:

OK,我们分析代码:

<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%@taglib prefix="s" uri="/struts-tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%System.out.println(request.getContextPath()); %>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>新建慢病档案</title>
<link rel="stylesheet" type="text/css" href="../../../css/styles.css" />

<script type="text/javascript" src="../../../js/jquery1.7.js"></script>

<script type="text/javascript" src="js/familyHistoryXs.js"></script>

</head>

<body>

<s:form action="xx" method="post" theme="simple" >
<div align="center" id="div_main">
<table class="tab_head" width="100%">
<tr>
<td>
<h2 align="center">使用js动态添加条目</h2>
</td>

</tr>
</table>

<br/>

<div class="tab_content">
<div  class="subTabs" >
<br/>

<div id="family"  class="subTabs">

<table class="tab_frm" width="100%">
<tr>
<td class="left" width="30%">
有无其他条目：
</td>
<td>

无<input type="radio" name="family"  id="radio_drug_no" value="no" checked="true"/>
   
有<input type="radio" name="family"  value="yes"/>  
<a id="a_family" style="display:none" href='#' onclick="addFamily();return false;">点此添加条目</a>
</td></tr></table>

<table class="tab_frm" width="100%" style="display:none;"  id="familyHistory">
<tr >
<td class="left" width="10%" rowspan="2">
与本人关系：<s:select  list="#{'-1':'-请选择-','父亲':'父亲','母亲':'母亲','哥哥':'哥哥','弟弟':'弟弟','姐姐':'姐姐','妹妹':'妹妹','儿子':'儿子','女儿':'女儿'}" theme="simple"/></td>
<td class="left" width="15%" >所患疾病</td>
<td width="15%"><input type="checkbox"  value="高血压"  onclick="familyTime(this)">高血压

</td>
<td width="15%"><input type="checkbox"  value="糖尿病"  onclick="familyTime(this)">糖尿病

</td>
<td width="15%"><input type="checkbox"  value="冠心病"  onclick="familyTime(this)">冠心病

</td>

</tr>
<tr>
<td class="left" width="15%">备注(如患其他疾病请填写)</td>
<td width="75%" colspan="5"><s:textarea theme="simple"  cssStyle="width:97%;overflow-y:visible;" /></td>
</tr>
</table>
<br/><br/>
</div>

</div>
</div>

<input type="button" name="back" value="上一步"
onclick="javascript:window.location.href='findMedicalHistory.action'">
<input type="submit" value="下一步"   id="submitInfo"/>

</div>
</s:form>
</body>
</html>

html引入了familyHistoryXs.js,我们进去看看

/**
*
*/
var familyCount;

$(document).ready(function(){
familyCount=0;

//给所有name为family的input上绑定事件 click
//一旦触发了 就去运行radioEvent方法
$("input[name='family']").bind("click",function(){
radioEvent($(this));
});
});

function radioEvent(e) {

//a_family默认的diplay是none 也就是不显示
//如果我点击了yes 就让它显示
//#a_family 就是网页里那个  点此添加条目 的东西

//如果点击 无 首先隐藏 点此添加条目
//接着下面的条目也祛除掉

if ("yes" == e.val()) {
$("#a_family").attr("style", "display:''");
} else {
$("#a_family").attr("style", "display:none");
for ( var i = 0; i < familyCount; i++) {
$("#familyHistory" + i).remove();
}
familyCount = 0;
}

}

function addFamily(){
var tr=$("#familyHistory").clone();
tr.attr("id","familyHistory"+familyCount);
tr.attr("style","display:'';margin-top:10px");

$("#family").append(tr);

var select=tr.find("select").eq(0);
select.attr("name","fimalyList["+familyCount+"].patientRelation");
select.attr("id","fimalyList["+familyCount+"].patientRelation");

var gxy=tr.find("input").eq(0);
gxy.attr("name","fimalyList["+familyCount+"].gxy");
gxy.attr("id","fimalyList["+familyCount+"].gxy");

var tnb=tr.find("input").eq(1);
tnb.attr("name","fimalyList["+familyCount+"].tnb");
tnb.attr("id","fimalyList["+familyCount+"].tnb");

var gxb=tr.find("input").eq(2);
gxb.attr("name","fimalyList["+familyCount+"].gxb");
gxb.attr("id","fimalyList["+familyCount+"].gxb");

var note=tr.find("textarea").eq(0);
note.attr("name","fimalyList["+familyCount+"].note");
note.attr("id","fimalyList["+familyCount+"].note");

familyCount++;

}

相应的css文件

body {
margin-top: 8px;
background-image: url(../images/bg.gif);
background-repeat: repeat-x repeat-y;
font-size: 13px;
}

.tab_data {
border: 1px solid #0058a3;
border-collapse: collapse;
background-color: #eaf5ff;
font-size: 13px;
}

.tab_data th {
border: 1px solid #0058a3;
background-color: #4bacff;
color: #FFFFFF;
font-weight: bold;
padding: 2px 1px;
text-align: center;
height: 30px;
}

.tab_data td {
border: 1px solid #0058a3;
/*text-align: left;*/
padding: 2px 4px;
height: 28px;
}

tr.darkrow {
background-color: #c7e5ff;
}

.tab_frm {
border: 1px solid #0058a3;
border-collapse: collapse;
background-color: #eaf5ff;
font-size: 13px;
}

.tab_frm td {
padding: 2px 0px 2px 8px;
border: 1px solid #0058a3;
height: 30px;
}

td.left {
background-color: #d1dff0;
font-weight: bold;
text-align: left;
}

td.right {
text-align: left;
}

td.center {
text-align: center;
}

.btn_normal {
height: 24px;
width: 60px;
font-size: 13px;
margin: 0px 6px;
}

.btn_long {
height: 24px;
width: 112px;
font-size: 13px;
margin: 0px 6px;
}

.btn_in_tab {
height: 22px;
width: 44px;
font-size: 12px;
margin: 0px 1px;
}

.spn_flag_1 {
font-size: 12px;
margin-left: 10px;
color: red;
}

.tab_head {
font-size: 12px;
font-weight: bold;
text-align: left;
}

.tab_head td {
vertical-align: bottom;
}

a {
text-decoration: none;
}

a:link {
color: blue;
}

a:visited {
color: blue;
}

a:hover {
color: blue;
}

.flderr {
color: red;
font-size: 14px;
font-weight: bold;
}

.ifr_page{
width: 100%;
height: 430px;
margin: 0px;
border-width: 0px;
overflow: hidden;
}

.tab_stat_in {
border: 0px;
background-color: #eaf5ff;
font-size: 13px;
width: 100%;
}

.tab_stat_in td {
text-align: center;
border: 0px;
}

.p_nopriv{
line-height:10%;
color:red;
}

.p_nodata{
line-height:10%;
color:brown;
}

.p_hasdata{
line-height:10%;
}

参考资料
http://blog.csdn.net/cike121272604/article/details/5809114

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