private String sid
private String sname
private int age
private char sex
public String getSid() {
return sid
}
public void setSid(String sid) {
this.sid = sid
}
public String getSname() {
return sname
}
public void setSname(String sname) {
this.sname = sname
}
public int getAge() {
return age
}
public void setAge(int age) {
this.age = age
}
public char getSex() {
return sex
}
public void setSex(char sex) {
this.sex = sex
}
@Override
public int hashCode() {
final int prime = 31
int result = 1
result = prime * result + age
result = prime * result + sex
result = prime * result + ((sid == null) ? 0 : sid.hashCode())
result = prime * result + ((sname == null) ? 0 : sname.hashCode())
return result
}
public class Rectangle {
private Integer rLength//长
private Integer rWidth//宽
private Integer rArea//面积
public Integer getrLength() {
return rLength
}
public void setrLength(Integer rLength) {
this.rLength = rLength
}
public Integer getrWidth() {
return rWidth
}
public void setrWidth(Integer rWidth) {
this.rWidth = rWidth
}
public Integer getrArea() {
return rArea
}
public void setrArea(Integer rArea) {
this.rArea = rArea
}
} <%@ page language="java" contentType="text/html charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html charset=UTF-8">
<meta name="renderer" content="webkit|ie-comp|ie-stand">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<meta name="viewport"
content="width=device-width,initial-scale=1,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" />
<meta http-equiv="Cache-Control" content="no-siteapp" />
<script type="text/javascript" src="jquery/1.9.1/jquery.min.js"></script>
<title></title>
</head>
<body>
<div>
<form action="/xxxxxxxx" method="post" id="form-depart-edit">
<div>
<label><span>*</span>长：</label>
<div>
<input type="text" class="input-text" value="" placeholder="长" id="rLength" name="rLength">
</div>
</div>
<div>
<label><span>*</span>宽：</label>
<div>
<input type="text" class="input-text" value="" placeholder="宽" id="rWidth" name="rWidth">
</div>
</div>
<div>
<label><span>*</span>面积：</label>
<div>
<input type="text" value="" placeholder="面积" id="rArea" name="rArea" readonly="readonly">
</div>
</div>
<div>
<button onClick="jisuan()" type="button">提交</button>
</div>
</form>
</div>
<script type="text/javascript">
function jisuan(){
var rLength = $("#rLength").val()
var rWidth = $("#rWidth").val()
if(rWidth == null || rWidth == "" || rLength == null || rLength == ""){
alert("必须填写长、宽！")
return false
}
var rArea = rLength * rWidth
$("#rArea").val(rArea)
$("#form-depart-edit").submit()
}
</script>
</body>
</html>
1:servlet2:在JSP的3种指令中，用来定义与页面相关属性的指令是（page ），用于在JSP页面中包括另一个文件的指令是（ include ），3: <jsp:include>
4: GB2312
5:<%-- 这是注释的内容 --%>
6 A 指令元素是:<%@ %>
7 A 当成字符串来输出
8 B D都对 A是因为Int 的i应该小写 <%=%>这是表达式的写法,后不用加冒号
9:D
10:B import用来导入包和类的
11：D <%@ include file="relativeURL"%>这是jsp的指令元素
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