SSH--1
package com.etc.action; import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashSet;
import java.util.List;
import java.util.Set; import javax.servlet.http.HttpServletResponse; import org.apache.struts2.ServletActionContext; import com.etc.biz.FamilyBiz;
import com.etc.entity.Family;
import com.etc.entity.Pet;
import com.google.gson.Gson;
import com.opensymphony.xwork2.ActionSupport; public class FamilyAction extends ActionSupport
{
private List<Family> list ;
private List<Pet> pets ;
private FamilyBiz biz;
private Family family;//a 用于接收来自表单的输入
private Pet pet;//a 用于接收来自ajax的宠物输入
public List<Pet> getPets() {
return pets;
} public void setPets(List<Pet> pets) {
this.pets = pets;
} public Pet getPet() {
return pet;
} public void setPet(Pet pet) {
this.pet = pet;
} private boolean isshow;
private String msg; public boolean isIsshow() {
return isshow;
} public void setIsshow(boolean isshow) {
this.isshow = isshow;
} public String getMsg() {
return msg;
} public void setMsg(String msg) {
this.msg = msg;
} public Family getFamily() {
return family;
} public void setFamily(Family family) {
this.family = family;
} public List<Family> getList() {
return list;
} public void setList(List<Family> list) {
this.list = list;
} public FamilyBiz getBiz() {
return biz;
} public void setBiz(FamilyBiz biz) {
this.biz = biz;
} public String findall()
{
list = biz.findAll();
return "findall_success";
} public String add()
{
//1 让表单输入的宠物list,作为family的set对象
Set<Pet> ps = new HashSet<Pet>(this.pets);
for(Pet p:ps)
p.setFamily(family);
family.setPets(ps); try
{
biz.add(family);
} catch (Exception e)
{
isshow = true;
msg = "添加过程发现未知异常!"+e.getMessage();
return "my_error";
}
isshow = true;
msg = "添加成功!";
return "add_success";
} public String toupdate()
{
int fid = family.getFid();
family = biz.findById(fid);
return "toupdate_success";
} public String update()
{
//1 让表单输入的宠物list,作为family的set对象
Set<Pet> ps = new HashSet<Pet>(this.pets);
for(Pet p:ps)
p.setFamily(family);
family.setPets(ps); try
{
biz.update(family);
} catch (Exception e)
{
isshow = true;
msg = "修改过程发现未知异常!"+e.getMessage();
return "my_error";
}
isshow = true;
msg = "修改成功!";
return "update_success";
} public String addpet() throws IOException
{
//让pet和family对象发生关联关系
pet.setFamily(family); try
{
int pid = biz.add(pet);
pet.setPid(pid);//添加成功,使用返回的主键让pet对象完整。 } catch (Exception e)
{ } Gson gson = new Gson(); String json = gson.toJson(pet);//将pet对象转成json字符串返回
//先设置响应编码
HttpServletResponse res = ServletActionContext.getResponse();
res.setContentType("text/html;charset=utf-8");
PrintWriter pw = res.getWriter();
//写回客户端
pw.print(json);
pw.flush();
pw.close();
return "addpet_success";
}
public String delpet() throws IOException
{
int pid = pet.getPid();
//family = new Family();
//pet.setFamily(family);
String restxt = "";
try
{
biz.delpet(pid);
restxt = "1";
} catch (Exception e)
{
restxt = "0";
}
//先设置响应编码
HttpServletResponse res = ServletActionContext.getResponse();
res.setContentType("text/html;charset=utf-8");
PrintWriter pw = res.getWriter();
//写回客户端
pw.print(restxt);
pw.flush();
pw.close();
return "delpet_success";
}
public String delete()
{
int fid = family.getFid();
try {
biz.del(fid);
} catch (Exception e)
{
isshow = true;
msg = "删除过程发现未知异常!"+e.getMessage();
return "my_error";
}
isshow = true;
msg = "删除成功!";
return "delete_success"; }
}
package com.etc.biz; import java.util.List; import com.etc.entity.Family;
import com.etc.entity.Pet; public interface FamilyBiz {
List<Family> findAll();
void add(Family family);
Family findById(int fid);
void update(Family family); //ajax专用,返回添加后的主键
int add(Pet pet);
void del(int fid);
void delpet(int pid);
}
package com.etc.biz.imp; import java.util.List; import com.etc.biz.FamilyBiz;
import com.etc.dao.FamilyDao;
import com.etc.entity.Family;
import com.etc.entity.Pet; public class FamilyBizImp implements FamilyBiz
{
private FamilyDao dao; public FamilyDao getDao() {
return dao;
} public void setDao(FamilyDao dao) {
this.dao = dao;
} public List<Family> findAll() {
return dao.findAll();
} public void add(Family family)
{
dao.add(family);
} public Family findById(int fid) {
return dao.findById(fid);
} public void update(Family family) {
dao.update(family); } public int add(Pet pet) {
return dao.add(pet);
} public void delpet(int pid)
{
dao.delpet(pid);
} public void del(int fid) {
dao.del(fid);
}
}
package com.etc.dao; import java.util.List; import com.etc.entity.Family;
import com.etc.entity.Pet; public interface FamilyDao {
List<Family> findAll();
void add(Family family);
Family findById(int fid);
void update(Family family); //ajax专用
int add(Pet pet);
void del(int fid);
void delpet(int pid);
}
package com.etc.dao.imp; import java.util.List; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import com.etc.dao.FamilyDao;
import com.etc.entity.Family;
import com.etc.entity.Pet; public class FamilyDaoImp extends HibernateDaoSupport implements FamilyDao
{
public List<Family> findAll()
{
String hql = "from Family";
return this.getHibernateTemplate().find(hql);
} public void add(Family family)
{
this.getHibernateTemplate().save(family); } public Family findById(int fid) { return this.getHibernateTemplate().get(Family.class, fid);
} public void update(Family family) {
this.getHibernateTemplate().update(family);
} public int add(Pet pet)
{
return (Integer) this.getHibernateTemplate().save(pet);
} public void delpet(int pid) {
//先查再删除
Pet p = this.getHibernateTemplate().get(Pet.class, pid);
this.getHibernateTemplate().delete(p);
} public void del(int fid)
{
//先查再删除
Family f = this.getHibernateTemplate().get(Family.class, fid);
this.getHibernateTemplate().delete(f);
}
}
package com.etc.entity; import java.util.HashSet;
import java.util.Set; /**
* Family entity. @author MyEclipse Persistence Tools
*/ public class Family implements java.io.Serializable { // Fields private Integer fid;
private String fname;
private Float wealth;
private Set pets = new HashSet(0); // Constructors /** default constructor */
public Family() {
} /** minimal constructor */
public Family(Float wealth) {
this.wealth = wealth;
} /** full constructor */
public Family(String fname, Float wealth, Set pets) {
this.fname = fname;
this.wealth = wealth;
this.pets = pets;
} // Property accessors public Integer getFid() {
return this.fid;
} public void setFid(Integer fid) {
this.fid = fid;
} public String getFname() {
return this.fname;
} public void setFname(String fname) {
this.fname = fname;
} public Float getWealth() {
return this.wealth;
} public void setWealth(Float wealth) {
this.wealth = wealth;
} public Set getPets() {
return this.pets;
} public void setPets(Set pets) {
this.pets = pets;
} }
package com.etc.entity; /**
* Pet entity. @author MyEclipse Persistence Tools
*/ public class Pet implements java.io.Serializable { // Fields private Integer pid;
private Family family;
private String pname;
private Float price;
private Integer cohesion; // Constructors /** default constructor */
public Pet() {
} /** minimal constructor */
public Pet(Family family, Float price, Integer cohesion) {
this.family = family;
this.price = price;
this.cohesion = cohesion;
} /** full constructor */
public Pet(Family family, String pname, Float price, Integer cohesion) {
this.family = family;
this.pname = pname;
this.price = price;
this.cohesion = cohesion;
} // Property accessors public Integer getPid() {
return this.pid;
} public void setPid(Integer pid) {
this.pid = pid;
} public Family getFamily() {
return this.family;
} public void setFamily(Family family) {
this.family = family;
} public String getPname() {
return this.pname;
} public void setPname(String pname) {
this.pname = pname;
} public Float getPrice() {
return this.price;
} public void setPrice(Float price) {
this.price = price;
} public Integer getCohesion() {
return this.cohesion;
} public void setCohesion(Integer cohesion) {
this.cohesion = cohesion;
} }
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="com.etc.entity.Family" table="family" catalog="java">
<id name="fid" type="java.lang.Integer">
<column name="fid" />
<generator class="identity" />
</id>
<property name="fname" type="java.lang.String">
<column name="fname" length="20" />
</property>
<property name="wealth" type="java.lang.Float">
<column name="wealth" precision="12" scale="0" not-null="true" />
</property>
<!-- 关联对象集合的配置,默认是lazy=true,延迟加载 .通过cascade配置成关联对象的级联添加--> <set name="pets" inverse="true" lazy="true" cascade="save-update,delete">
<key>
<column name="fid" not-null="true" />
</key>
<one-to-many class="com.etc.entity.Pet" />
</set>
</class>
</hibernate-mapping>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!--
Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
<class name="com.etc.entity.Pet" table="pet" catalog="java">
<id name="pid" type="java.lang.Integer">
<column name="pid" />
<generator class="identity" />
</id>
<many-to-one name="family" class="com.etc.entity.Family" fetch="select">
<column name="fid" not-null="true" />
</many-to-one>
<property name="pname" type="java.lang.String">
<column name="pname" length="20" />
</property>
<property name="price" type="java.lang.Float">
<column name="price" precision="12" scale="0" not-null="true" />
</property>
<property name="cohesion" type="java.lang.Integer">
<column name="cohesion" not-null="true" />
</property>
</class>
</hibernate-mapping>
package com.etc.test; import java.io.IOException;
import java.util.HashSet;
import java.util.Set; import org.junit.Test;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.context.support.ClassPathXmlApplicationContext; import com.etc.action.FamilyAction;
import com.etc.entity.Family;
import com.etc.entity.Pet; public class TestFamliyAction
{
BeanFactory fac = new ClassPathXmlApplicationContext("applicationContext.xml");
FamilyAction action = (FamilyAction) fac.getBean("familyaction"); //@Test
public void test_findAll()
{
System.out.println(action.findall());
System.out.println(action.getList().size());
}
//@Test
public void test_add()
{
//使用创建对象,模拟表单的输入
Family f = new Family(10000f);
f.setFname("辛普森一家"); Set<Pet> pets = new HashSet<Pet>();
pets.add(new Pet(f,"蜥蜴",20f,5));
f.setPets(pets); action.setFamily(f);
System.out.println(action.add()); //调用添加的控制器方法 //调用查询全部方法,判断有没有成功
System.out.println(action.findall());
System.out.println(action.getList().size());
}
@Test
public void test_delpet() throws IOException
{
Pet p = new Pet();
p.setPid(2);
action.setPet(p);
System.out.println(action.delpet());
}
}
applicationContext.xml:
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation=
"http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.0.xsd"> <bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="configLocation"
value="classpath:hibernate.cfg.xml">
</property>
</bean> <bean id="dao" class="com.etc.dao.imp.FamilyDaoImp">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<bean id="biz" class="com.etc.biz.imp.FamilyBizImp">
<property name="dao" ref="dao"></property>
</bean>
<bean id="familyaction" class="com.etc.action.FamilyAction" scope="prototype">
<property name="biz" ref="biz"/>
</bean> <bean id="tm" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"/>
</bean> <tx:advice id="myadvice" transaction-manager="tm">
<tx:attributes>
<tx:method name="add*" propagation="REQUIRED" />
<tx:method name="del*" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED"/>
<tx:method name="find*" read-only="true"/>
</tx:attributes>
</tx:advice> <aop:config>
<aop:pointcut expression="execution(* com.etc.biz.*.*(..))" id="mypc"/>
<aop:advisor advice-ref="myadvice" pointcut-ref="mypc"/>
</aop:config> </beans>
struts.xml:
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="struts.devMode" value="true" />
<package name="p" namespace="/" extends="struts-default"> <action name="*" class="familyaction" method="{1}">
<result name="findall_success">
/showlist.jsp
</result>
<result name="add_success" type="chain">
<param name="actionName">findall</param>
<param name="namespace">/</param>
</result>
<result name="toupdate_success">
/update_family.jsp
</result>
<result name="update_success" type="chain">
<param name="actionName">findall</param>
<param name="namespace">/</param>
</result>
<result name="addpet_success" type="stream">
</result>
<result name="delpet_success" type="stream">
</result>
<result name="delete_success" type="chain">
<param name="actionName">findall</param>
<param name="namespace">/</param>
</result> <result name="input">
/show_input_error.jsp
</result>
<result name="my_error">
/show_my_error.jsp
</result>
</action> </package> </struts>
web.xml: <?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<context-param> <!-- 配置全局的配置参数 ,spring配置文件的位置 -->
<param-name>
contextConfigLocation
</param-name>
<param-value>
classpath:applicationContext.xml
</param-value>
</context-param>
<!-- 通过spring提供的web监听器来启动对象工厂 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- 声明1个延迟加载过滤器 -->
<filter>
<filter-name>lazyFilter</filter-name>
<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>singleSession</param-name>
<param-value>false</param-value>
</init-param>
</filter>
<!--设定过滤器只对.action请求有效 -->
<filter-mapping>
<filter-name>lazyFilter</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
<filter>
<filter-name>struts2</filter-name>
<filter-class>
org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</filter-class>
</filter>
<filter-mapping>
<filter-name>struts2</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping></web-app>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>"> <title>My JSP 'add_famliy.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
--> </head> <body> <form action="add.action" method="post">
家庭名: <input name="family.fname" /> <br/>
财产: <input name="family.wealth"/><br/>
宠物名: <input name="pets[0].pname">
宠物价格: <input name="pets[0].price">
亲密度: <input name="pets[0].cohesion">
<input type="button" value="+"/>
<br/>
<input type="submit" value="添加"/>
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>"> <title>My JSP 'showlist.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
--> </head> <body>
<script>
alert('输入有误!');
history.go(-1);
</script> <s:fielderror/> </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>"> <title>My JSP 'showlist.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
--> </head> <body>
<script>
alert("${msg}");
location.href="findall.action";
</script> <s:fielderror/> </body>
</html>
<%@ page language="java" import="java.util.*,com.etc.entity.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>"> <title>My JSP 'showlist.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
--> </head>
<script>
function showmsg(isshow,msg)
{
if(isshow)
alert(msg);
} </script>
<body onload="showmsg(${isshow},'${msg}')">
家庭信息<br/>
<table border="1">
<tr>
<th>编号</th>
<th>名称</th>
<th>资产</th>
<th>宠物数</th>
<th>操作</th>
</tr>
<s:iterator value="list" var="f">
<tr>
<td>${f.fid }</td>
<td>${f.fname }</td>
<td>${f.wealth }</td>
<td>
<%= ((Family) request.getAttribute("f")).getPets().size() %>
</td>
<td><a href="delete.action?family.fid=${f.fid}">删除</a> <a href="toupdate.action?family.fid=${f.fid}">修改</a></td>
</tr> </s:iterator> </table>
<br/>
<a href="add_family.jsp">添加</a> </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme() + "://"
+ request.getServerName() + ":" + request.getServerPort()
+ path + "/";
%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<style>
input
{
width: 60px;
} </style>
<head>
<base href="<%=basePath%>"> <title>My JSP 'add_famliy.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<script type="text/javascript" src="js/jquery.js">
</script>
<script>
$(document).ready(
function()
{
$("#add").click(
function()
{
addnew();
}
);
} )
function addnew()
{
var pname = window.prompt("宠物名","宠物名");
if(pname==null)
return;
var price = window.prompt("价格","100");
if(price==null)
return;
var cohesion = window.prompt("亲密度","50");
if(price==null)
return;
var msg = pname+","+price+","+cohesion+",确认添加 ?"; if (window.confirm(msg))
send_ajax_add_request(pname,price,cohesion);
}
function send_ajax_add_request(pname,price,cohesion)
{
var paras = "pet.pname="+pname+"&pet.price="
+price+"&pet.cohesion="+cohesion+"&family.fid=${family.fid}";
$.ajax(
{
type:"post",
url:"addpet.action",
data:paras,
dataType:"json",
success:function(obj)
{
var old = $("#sp").html();
var html = "<span id='inner_sp_"+obj.pid+"'>"
+"编号: <input name='pets["+petcount+"].pid' value='"+obj.pid+"' readonly='readonly'>"
+"宠物名: <input name='pets["+petcount+"].pname' value='"+obj.pname+"'>"
+"宠物价格: <input name='pets["+petcount+"].price' value='"+obj.price+"'>"
+"亲密度: <input name='pets["+petcount+"].cohesion' value='"+obj.cohesion+"'>"
+"<input type='button' value='删除' onclick='send_ajax_delete_request("+obj.pid+")'/><br/>"
+"</span>";
$("#sp").html(old+html); petcount++;
}
}
);
} function send_ajax_delete_request(pid)
{
var paras = "pet.pid="+pid;
var url = "delpet.action";
$.post(url, { "pet.pid": pid},
function(txt){
if(txt=="1")
$("#inner_sp_"+pid).remove();
});
} </script>
<body> <form action="update.action" method="post">
编号:
<input name="family.fid" readonly="readonly" value="${family.fid }" />
<br />
家庭名:
<input name="family.fname" value="${family.fname }"/>
<br />
财产:
<input name="family.wealth" value="${family.wealth }"/>
<br /> <s:set var="i" value="0"/>
<span id="sp">
<s:iterator value="family.pets" var="p">
<span id="inner_sp_${p.pid}">
编号: <input name="pets[${i}].pid" value="${p.pid }" readonly="readonly">
宠物名: <input name="pets[${i}].pname" value="${p.pname }">
宠物价格: <input name="pets[${i}].price" value="${p.price }">
亲密度: <input name="pets[${i}].cohesion" value="${p.cohesion }">
<s:set var="i" value="#attr.i+1"/>
<input type="button" value="删除" onclick="send_ajax_delete_request(${p.pid })" /><br/>
</span>
</s:iterator>
</span>
<script>
var petcount = ${i}; //记录总的宠物个数
</script> <br />
<input id="add" type="button" value="添加宠物"/><br/>
<input type="submit" value="修改" />
</form>
</body>
</html>
SSH--1的更多相关文章
- [linux]阿里云主机的免登陆安全SSH配置与思考
公司服务器使用的第三方云端服务,即阿里云,而本地需要经常去登录到服务器做相应的配置工作,鉴于此,每次登录都要使用密码是比较烦躁的,本着极速思想,我们需要配置我们的免登陆. 一 理论概述 SSH介绍 S ...
- SSH实战 · 唯唯乐购项目(上)
前台需求分析 一:用户模块 注册 前台JS校验 使用AJAX完成对用户名(邮箱)的异步校验 后台Struts2校验 验证码 发送激活邮件 将用户信息存入到数据库 激活 点击激活邮件中的链接完成激活 根 ...
- 记录一则Linux SSH的互信配置过程
需求:四台Linux主机,IP地址为192.168.10.10/11/12/13,配置登录用户的互信 1.各节点ssh-keygen生成RSA密钥和公钥 ssh-keygen -q -t rsa -N ...
- SSH免手动输入密码和设置代理
通过使用sshpass将密码写入命令里,直接执行,免去手动密码输入的步骤命令如下: sshpass -p password_abc ssh user_abc@ssh_host -p ssh_port ...
- github免输用户名/密码SSH登录的配置
从github上获取的,自己整理了下,以备后用. Generating an SSH key mac windows SSH keys are a way to identify trusted co ...
- Linux 利用Google Authenticator实现ssh登录双因素认证
1.介绍 双因素认证:双因素身份认证就是通过你所知道再加上你所能拥有的这二个要素组合到一起才能发挥作用的身份认证系统.双因素认证是一种采用时间同步技术的系统,采用了基于时间.事件和密钥三变量而产生的一 ...
- mac下生成ssh keys 并上传github仓储
使用github仓储需要本机生成一个公钥key 添加到自己的git账户SSH keys中 mac 生成方法: 1. 打开终端 输入 ssh-keygen 然后系统提示输入文件保存位置等信息 ...
- Linux实战教学笔记05:远程SSH连接服务与基本排错(新手扫盲篇)
第五节 远程SSH连接服务与基本排错 标签(空格分隔):Linux实战教学笔记-陈思齐 第1章 远程连接LInux系统管理 1.1 为什么要远程连接Linux系统 在实际的工作场景中,虚拟机界面或物理 ...
- 树莓派3B的食用方法-1(装系统 网线ssh连接)
首先要有一个树莓派3B , 在某宝买就行, 这东西基本上找到假货都难,另外国产和英国也没什么差别,差不多哪个便宜买哪个就行. 不要买店家的套餐,一个是配的东西有些不需要,有的质量也不好. 提示:除了G ...
- linux启动SSH及开机自动启动
本文地址 分享提纲: 1.查看是否启动 2. 设置自动启动 1.[查看是否启动] 启动SSH服务 “/etc/init.d/sshd start”.然后用netstat -antulp | grep ...
随机推荐
- ORACLE优化器RBO与CBO介绍总结
RBO和CBO的基本概念 Oracle数据库中的优化器又叫查询优化器(Query Optimizer).它是SQL分析和执行的优化工具,它负责生成.制定SQL的执行计划.Oracle的优化器有两种,基 ...
- 深入理解Linux修改hostname
当我觉得对Linux系统下修改hostname已经非常熟悉的时候,今天碰到了几个个问题,这几个问题给我好好上了一课,很多知识点,当你觉得你已经掌握的时候,其实你了解的还只是皮毛.技术活,切勿浅尝则止! ...
- mysql 单表排序,相同值排序
两种方式: 第一种是利用笛卡尔积,两对比排序 -- 学校类型数据 SELECT t.examid,'-' AS unitcode,t.schooltype,'-' AS classname,t.bkr ...
- SQL Server 2008 R2——软件创建月表时同时创建一个触发器
=================================版权声明================================= 版权声明:原创文章 谢绝转载 请通过右侧公告中的“联系邮 ...
- [django]用户认证中只允许登陆用户访问(网页安全问题)
当设计一个重要网页时,一般要求未从登陆界面访问的用户不能进入其他页面,那么需要如何设置呢? 如下 django中的url.py urlpatterns = [ url(r'^$', 'login ...
- 【2016-10-26】【坚持学习】【Day13】【WCF】【EF + Data Services】
今天做了一个demo, EF+Data Services 先建立一个网站项目 添加一个ADO.NET 数据模型 相当于一个EF容器,用来连接MSSQL数据库 添加一个WCF Data Services ...
- Android(Linux)实时监控串口数据
之前在做WinCE车载方案时,曾做过一个小工具TraceMonitor,用于显示WinCE系统上应用程序的调试信息,特别是在实车调试时,用于监控和显示CAN盒与主机之间的串口数据.因为需要抢占市场先机 ...
- Selenium-java-TestNg-的运行
package com.day.www; import org.testng.annotations.AfterClass;import org.testng.annotations.AfterMet ...
- python基础之文件读写
python基础之文件读写 本节内容 os模块中文件以及目录的一些方法 文件的操作 目录的操作 1.os模块中文件以及目录的一些方法 python操作文件以及目录可以使用os模块的一些方法如下: 得到 ...
- SortedMap接口:进行排序操作。
回顾:SortedSet是TreeSet的实现接口,此接口可以排序. SortedMap接口同样可以排序,是TreeMap的实现接口,父类. 定义如下: public class TreeMap< ...