.

Readme.md

@@ -1,4 +1,4 @@
-> 本文件夹记录了学习Java过程敲下的Demo
+# Java后台校招准备
 
 - **Java Grammar** : 深入探究Java的基础语法以及语言特性
 - **Head First Java Web**
@@ -8,14 +8,19 @@
 - **Head First Front End** ： 从零到一前端入门
 - **SSH&SSM**  
   - Hibernate
-  - 
+  - Struts2
+- Sword on Offer ： 《剑指Offer》面试题
 - CCF Solving : 使用Java解决历年CCF考题
+
+---
+
+## TODO
+
 - Core Java ： 《Java核心技术卷一》实践代码
 - Design Pattern ： 《设计模式》实践代码
 - Head First Design Pattern ： 《Head First设计模式》实践代码
 - Thinking in Java : 《Java编程思想》实践代码
 - Understanding the JVM ： 《深入理解Java虚拟机》实践代码
-- Sword on Offer ： 《剑指Offer》面试题
 - Objected Oriented Course : 大二面向对象课程练习
 - Java Concurrency in Practice : Java并发编程实战书中Demo
 - Java Basic Practice ：根据各种博客练习Java基础语法时的Demo

SSH&SSM/Hibernate/Demo4/Demo4.iml

@@ -42,5 +42,15 @@
       </library>
     </orderEntry>
     <orderEntry type="library" scope="PROVIDED" name="Tomcat 9.0.11" level="application_server_libraries" />
+    <orderEntry type="module-library">
+      <library name="JUnit4">
+        <CLASSES>
+          <root url="jar://$APPLICATION_HOME_DIR$/lib/junit-4.12.jar!/" />
+          <root url="jar://$APPLICATION_HOME_DIR$/lib/hamcrest-core-1.3.jar!/" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+      </library>
+    </orderEntry>
   </component>
 </module>

SSH&SSM/Hibernate/Demo4/src/com/mio4/domain/Customer.hbm.xml

@@ -27,9 +27,6 @@
         <property name="cust_phone" column="cust_phone"/>
         <property name="cust_mobile" column="cust_mobile"/>
 
-        <!--添加字段-->
-        <property name="add_info" column="add_info"/>
-
         <!--一
             name:集合名
 

SSH&SSM/Hibernate/Demo4/src/com/mio4/domain/Customer.java

@@ -31,7 +31,6 @@ public class Customer {
 	private String cust_linkman;
 	private String cust_phone;
 	private String cust_mobile;
-	private String add_info;
 
 	private Set<Linkman> linkmans = new HashSet<Linkman>(); //保留多个联系人
 
@@ -77,10 +76,6 @@ public void setCust_mobile(String cust_mobile) {
 		this.cust_mobile = cust_mobile;
 	}
 
-	public void setAdd_info(String add_info) {
-		this.add_info = add_info;
-	}
-
 	public void setLinkmans(Set<Linkman> linkmans) {
 		this.linkmans = linkmans;
 	}
@@ -125,10 +120,6 @@ public String getCust_mobile() {
 		return cust_mobile;
 	}
 
-	public String getAdd_info() {
-		return add_info;
-	}
-
 	public Set<Linkman> getLinkmans() {
 		return linkmans;
 	}
@@ -146,7 +137,7 @@ public String toString() {
 				", cust_linkman='" + cust_linkman + '\'' +
 				", cust_phone='" + cust_phone + '\'' +
 				", cust_mobile='" + cust_mobile + '\'' +
-				", add_info='" + add_info + '\'' +
+				", linkmans=" + linkmans +
 				'}';
 	}
 }

SSH&SSM/Hibernate/Demo4/src/com/mio4/test/Demo1.java

@@ -0,0 +1,43 @@
+package com.mio4.test;
+
+import com.mio4.domain.Customer;
+import com.mio4.domain.Linkman;
+import com.mio4.utils.HibernateUtils;
+import org.hibernate.Session;
+import org.hibernate.Transaction;
+import org.junit.Test;
+
+/**
+ * 测试一对多
+ */
+public class Demo1 {
+
+	/**
+	 * 双向关联
+	 */
+	@Test
+	public void test1(){
+		Session session = HibernateUtils.getSession();
+		Transaction tr = session.beginTransaction();
+
+		Customer c1 = new Customer();
+		c1.setCust_name("mio1");
+		Linkman l1 = new Linkman();
+		l1.setLkm_name("l1");
+		Linkman l2 = new Linkman();
+		l2.setLkm_name("l2");
+
+		c1.getLinkmans().add(l1);
+		c1.getLinkmans().add(l2);
+		l1.setCustomer(c1);
+		l2.setCustomer(c1);
+
+		session.save(c1);
+		session.save(l1);
+		session.save(l2);
+
+		tr.commit();
+
+	}
+
+}

SSH&SSM/Hibernate/Demo4/src/hibernate.cfg.xml

@@ -13,8 +13,12 @@
         <!--数据库方言：必须配置-->
         <property name="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</property>
 
+        <property name="hibernate.show_sql">true</property>
+        <property name="hibernate.format_sql">true</property>
+
         <!--映射配置文件：必须配置-->
         <mapping resource="com/mio4/domain/Customer.hbm.xml"/>
+        <mapping resource="com/mio4/domain/Linkman.hbm.xml"/>
 
     </session-factory>
 </hibernate-configuration>

SSH&SSM/Hibernate/Demo4/web/WEB-INF/classes/com/mio4/domain/Customer.hbm.xml

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!--约束文件-->
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping>
+    <!--指定类和表名的映射关系-->
+    <class name="com.mio4.domain.Customer" table="cst_customer">
+        <!--
+            name:JavaBean的属性
+            column:表结构字段
+        -->
+        <id name="cust_id" column="cust_id">
+            <!-- 主键生成策略 -->
+            <generator class="native"/>
+        </id>
+
+        <!--配置其他的属性-->
+        <property name="cust_name" column="cust_name"/>
+        <property name="cust_user_id" column="cust_user_id"/>
+        <property name="cust_create_id" column="cust_create_id"/>
+        <property name="cust_source" column="cust_source"/>
+        <property name="cust_industry" column="cust_industry"/>
+        <property name="cust_level" column="cust_level"/>
+        <property name="cust_linkman" column="cust_linkman"/>
+        <property name="cust_phone" column="cust_phone"/>
+        <property name="cust_mobile" column="cust_mobile"/>
+
+        <!--一
+            name:集合名
+
+        -->
+        <set name="linkmans">
+            <key column="lkm_cust_id">
+            </key>
+            <one-to-many class="com.mio4.domain.Linkman"/>
+        </set>
+    </class>
+</hibernate-mapping>

SSH&SSM/Hibernate/Demo4/web/WEB-INF/classes/com/mio4/domain/Linkman.hbm.xml

@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!--约束文件-->
+<!DOCTYPE hibernate-mapping PUBLIC
+        "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
+        "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
+
+<hibernate-mapping>
+    <!--指定类和表名的映射关系-->
+    <class name="com.mio4.domain.Linkman" table="cst_linkman">
+        <!--
+            name:JavaBean的属性
+            column:表结构字段
+        -->
+        <id name="lkm_id" column="lkm_id">
+            <!-- 主键生成策略 -->
+            <generator class="native"/>
+        </id>
+
+        <!--配置其他的属性-->
+        <property name="lkm_name" column="lkm_name"/>
+        <property name="lkm_gender" column="lkm_gender"/>
+        <property name="lkm_phone" column="lkm_phone"/>
+        <property name="lkm_mobile" column="lkm_mobile"/>
+        <property name="lkm_email" column="lkm_email"/>
+        <property name="lkm_qq" column="lkm_qq"/>
+        <property name="lkm_position" column="lkm_position"/>
+        <property name="lkm_memo" column="lkm_memo"/>
+
+        <!--多
+            name:Javabean中的属性
+            class:name属性对应的路径
+            column:外键的字段
+        -->
+        <many-to-one name="customer" class="com.mio4.domain.Customer" column="lkm_cust_id">
+
+        </many-to-one>
+
+    </class>
+</hibernate-mapping>

SSH&SSM/Hibernate/Demo4/web/WEB-INF/classes/hibernate.cfg.xml

@@ -0,0 +1,24 @@
+<?xml version='1.0' encoding='utf-8'?>
+<!DOCTYPE hibernate-configuration PUBLIC
+        "-//Hibernate/Hibernate Configuration DTD//EN"
+        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
+<hibernate-configuration>
+    <session-factory>
+        <!--连接MySQL数据库：必须配置-->
+        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
+        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hibernate_day03</property>
+        <property name="hibernate.connection.username">root</property>
+        <property name="hibernate.connection.password">123456</property>
+
+        <!--数据库方言：必须配置-->
+        <property name="hibernate.dialect">org.hibernate.dialect.MySQL5Dialect</property>
+
+        <property name="hibernate.show_sql">true</property>
+        <property name="hibernate.format_sql">true</property>
+
+        <!--映射配置文件：必须配置-->
+        <mapping resource="com/mio4/domain/Customer.hbm.xml"/>
+        <mapping resource="com/mio4/domain/Linkman.hbm.xml"/>
+
+    </session-factory>
+</hibernate-configuration>

SSH&SSM/README.md

@@ -0,0 +1,2 @@
+- Hibernate ： Hibernate框架练习
+- Struts2 ： Struts2框架练习