今日内容:
mybatis中的连接池、事务控制【原理了解,应用会用】
mybatis中连接池的使用及分析
mybatis中事务控制的分析
mybatis中基于xml配置的动态SQL语句使用【会用即可】
mappers配置文件中的几个标签
mybatis中的多表操作【掌握应用】
一对多
一对一(?)
多对多
一、mybatis的连接池和事务控制
1、连接池的介绍
实际开发中都会使用连接池
原因:可以减少获取连接所消耗的时间
图解
分析:
连接池就是用于存储连接的容器
容器其实就是一个集合对象,只不过该集合是线程安全的,两个线程不能拿到同一个连接
该集合还需要实现队列的先进先出特性。
while (conn == null) { //连接为空时创建
synchronized (state) {
if (!state.idleConnections.isEmpty()) {
// Pool has available connection
conn = state.idleConnections.remove(0);
2、mybatis连接池的分类
mybatis连接池提供了三种方式的配置
配置的位置:
主配置文件SqlMapConfig.xml中的dataSource标签,type属性表示采用何种连接池方式
type的取值:
POOLED:采用传统的javax.sql.DataSource规范中的连接池,mybatis中有针对规范的实现
UNPOOLED:采用传统的获取连接的方式,虽然也实现了javax.sql.DataSource接口,但是没有使用池的思想--每次使用都获取一个新的连接
【扩展】JNDI:采用服务器提供的JNDI技术实现,来获取DataSource对象,不同服务器所能拿到的DataSource不同。
注意:如果不是web或者maven的war工程,是不能使用的
我们课程中使用的是tomcat服务器,采用的连接池就是dbcp连接池
3、mybatis中使用unpooled配置连接池的原理分析
4、mybatis中使用pooled配置连接的原理分析
5、mybatis中的事务原理和自动提交设置
了解(面试)
什么是事务
事务的四大特性ACID
不考虑隔离性会产生的3个问题
解决方法:四种隔离级别
mybatis的事务
通过sqlSession对象的commit方法和rollback方法实现事务的提交和和回滚
如何设置为自动提交
@Override
public void saveUser(User user) {
//1.根据factory获取SqlSession对象
SqlSession session = factory.openSession(true);
//2.调用SQLSession中的方法实现查询列表
session.insert("com.itcast.dao.IUserDao.saveUser",user);
//3.提交事务
//session.commit();
//4.关闭
session.close();
}
二、mybatis的动态sql语句(mybatis映射文件的sql深入)
与查询相关的查询条件
1、if标签
<!--根据条件查询-->
<select id="findUserByCondition" resultType="com.itcast.domain.User" parameterType="user">
select * from user where 1=1
<if test="username != null">
and username = #{username}
</if>
</select>
2、where标签
<!--根据条件查询-->
<select id="findUserByCondition" resultType="com.itcast.domain.User" parameterType="user">
select * from user
<where>
<if test="username != null">
and username = #{username}
</if>
<if test="sex != null">
and sex = #{sex}
</if>
</where>
</select>
3、foreach和sql标签
举例:select * from user where username in(43,44);
/**
* 根据queryvo中提供的id集合,查询用户集合
* @param vo
* @return
*/
List<User> findByUserInIds(QueryVo vo);
<!--根据queryvo中的id集合实现查询用户列表-->
<select id="findByUserInIds" resultType="com.itcast.domain.User">
select * from user where id
<where>
<if test="ids != null and ids.size()>0">
<foreach collection="ids" open="id in(" close=")" item="id" separator=",">
#{id}
</foreach>
</if>
</where>
</select>
/**
* 测试foreach
*/
@Test
public void testfindInIds() throws IOException {
QueryVo vo = new QueryVo();
List<Integer> list = new ArrayList<>();
list.add(41);
list.add(42);
list.add(44);
vo.setIds(list);
List<User> users = userDao.findByUserInIds(vo);
for (User user : users) {
System.out.println(user);
}
}
抽取代码片段及使用
<sql id="defaultUser">
select * from user
</sql>
<select id="findAll" resultType="com.itcast.domain.User" >
<include refid="defaultUser"></include>
</select>
三、mybatis的多表操作
1、mybatis表之间关系分析
一对多
举例:一个用户可以下多个订单
多对一
举例:一个班级有多个学生
一对一
多对多
举例:一个学生可以有多个老师,一个老师可以有多个学生
特例:拿出每一个订单都只属于一个用户,所以mybatis就把多对一看成一对一
2、完成account表的建立及实现单表查询
示例:用户和账户
一个用户可以有多个账户
一个账户只能属于一个用户(多个账户可以只属于同一个用户)
步骤:
建立用户表和账户表
让用户表和账户表之间具备一对多的关系,需要在账户表中添加外键
建立两个实体类:用户实体类和账户实体类
让用户和账户的实体类能体现出一对多的关系
建立两个配置文件
用户的配置文件
账户的配置文件
实现配置:
当查询用户时,可以同时得到用户下所包含的账户信息
当查询账户时,可以同时得到账户的所属用户信息
3、完成account一对一操作---一对多(不常用)
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.itcast.dao.IAccountDao">
<select id="findAll" resultType="account" >
select * from account
</select>
<!--查询所有账户同时包含用户名和地址信息-->
<select id="findAllAccount" resultType="accountuser" >
SELECT a.*,u.username,u.address FROM account a, USER u WHERE a.uid = u.id
</select>
</mapper>
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE configuration
PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-config.dtd">
<configuration>
<properties resource="jdbcConfig.properties">
</properties>
<!--使用typeAliases配置别名,只能配置domain中类的别名-->
<typeAliases>
<!--typeAliases配置别名,type指定全限定类名,alias指定别名,指定别名后不再区分大小写-->
<!--<typeAlias type="com.itcast.domain.User" alias="user"></typeAlias>
<typeAlias type="com.itcast.domain.Account" alias="account"></typeAlias>-->
<!--package用于指定要配置别名的包,当指定后,该包下的实体类都会注册别名,并且类名就是别名,不再区分大小写-->
<package name="com.itcast.domain"></package>
</typeAliases>
<!--配置环境-->
<environments default="mysql">
<!--配置mysql的环境-->
<environment id="mysql">
<!--配置事务-->
<transactionManager type="JDBC"></transactionManager>
<!--配置连接池-->
<dataSource type="POOLED">
<property name="driver" value="${jdbc.driver}"></property>
<property name="url" value="${jdbc.url}"></property>
<property name="username" value="${jdbc.username}"></property>
<property name="password" value="${jdbc.password}"></property>
</dataSource>
</environment>
</environments>
<!--配置映射文件的位置-->
<mappers>
<!--<mapper resource="com/itcast/dao/IAccountDao.xml"></mapper>-->
<!--用于指定dao接口所在的包,当指定完成之后就不需要再写mapper、resource或class了-->
<package name="com.itcast.dao"/>
</mappers>
</configuration>
/**
* 测试查询所有账户,同时包含用户名称和地址
*/
@Test
public void testFindAllAccount(){
List<AccountUser> aus = accountDao.findAllAccount();
for (AccountUser au : aus) {
System.out.println(au);
}
}
@Override
public String toString() {
return super.toString() +
"AccountUser{" +
"username='" + username + '\'' +
", address='" + address + '\'' +
'}';
}
4、完成account一对一操作-建立实体类关系的方式
public class Account implements Serializable {
private Integer id;
private Integer uid;
private Double money;
//从表实体应该包含一个主表实体的对象引用
private User user;
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.itcast.dao.IAccountDao">
<!--定义封装account和user的resultMap-->
<resultMap id="accountUserMap" type="account">
<id property="id" column="aid"></id>
<result property="uid" column="uid"></result>
<result property="money" column="money"></result>
<!--应当建立一对一的关系映射:配置封装user的内容-->
<association property="user" column="uid" javaType="user">
<id property="id" column="id"></id>
<result property="username" column="username"></result>
<result property="address" column="address"></result>
<result property="sex" column="sex"></result>
<result property="birthday" column="birthday"></result>
</association>
</resultMap>
<select id="findAll" resultMap="accountUserMap" >
SELECT u.*,a.id AS aid,a.money,a.uid FROM account a, USER u WHERE a.uid = u.id
</select>
<!--查询所有账户同时包含用户名和地址信息-->
<select id="findAllAccount" resultType="accountuser" >
SELECT a.*,u.username,u.address FROM account a, USER u WHERE a.uid = u.id
</select>
</mapper>
/**
* 测试查询所有
*/
@Test
public void testFindAll(){
List<Account> accounts = accountDao.findAll();
for (Account account : accounts) {
System.out.println("-----每个account的信息-----");
System.out.println(account);
System.out.println(account.getUser());
}
}
5、完成user的一对多查询操作
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.itcast.dao.IUserDao">
<!--定义user的resultMap-->
<resultMap id="userAccountMap" type="user">
<id property="id" column="id"></id>
<result property="username" column="username"></result>
<result property="address" column="address"></result>
<result property="sex" column="sex"></result>
<result property="birthday" column="birthday"></result>
<!--配置user对象中account集合的映射-->
<collection property="accounts" ofType="account">
<id column="aid" property="id"></id>
<result column="uid" property="uid"></result>
<result column="money" property="money"></result>
</collection>
</resultMap>
<select id="findAll" resultMap="userAccountMap" >
SELECT * FROM USER u LEFT OUTER JOIN account a ON u.id = a.UID
</select>
</mapper>
/**
* 测试查询所有
*/
@Test
public void testFindAll(){
List<User> users = userDao.findAll();
for (User user : users) {
System.out.println("-----每个account的信息-----");
System.out.println(user);
System.out.println(user.getAccounts());
}
}
public class User implements Serializable {
private Integer id;
private String username;
private String address;
private String sex;
private Date birthday;
//建立一对多关系映射,主表实体应该包含从表实体的集合引用
private List<Account> accounts;
public List<Account> getAccounts() {
return accounts;
}
public void setAccounts(List<Account> accounts) {
this.accounts = accounts;
}
6、分析mybatis多对多的步骤并搭建环境
多对多
示例:用户和角色(用户的身份)
用户可以有多个角色
一个角色也可以赋予多个用户
步骤:
建立用户表和角色表
让用户表和角色表之间具备一对多的关系
需要使用中间表,中间表中包含各自的主键,在中间表中是外键
建立两个实体类:用户实体类和角色实体类
让用户和角色的实体类能体现出多对多的关系
各自包含对方的集合引用
建立两个配置文件
用户的配置文件
角色的配置文件
实现配置:
当查询用户时,可以同时得到用户下所包含的角色信息
当查询角色时,可以同时得到角色的所赋予的用户信息
7、mybatis多对多准备角色表的实体类和映射配置
public class Role implements Serializable {
private Integer roleId;
private String roleName;
private String roleDesc;
package com.itcast.dao;
import com.itcast.domain.Role;
import java.util.List;
public interface IRoleDao {
/**
* 查询所有角色
* @return
*/
List<Role> findAll();
}
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.itcast.dao.IRoleDao">
<!--定义role表的resultMap-->
<resultMap id="roleMap" type="role">
<id property="roleId" column="id"></id>
<!--windows不区分大小写,linux区分大小写-->
<result property="roleName" column="role_name"></result>
<result property="roleDesc" column="role_desc"></result>
</resultMap>
<select id="findAll" resultMap="roleMap">
select * from role
</select>
</mapper>
8、mybatis多对多操作-查询角色获取角色下所属用户信息
两次左外连接才能实现功能
public class Role implements Serializable {
private Integer roleId;
private String roleName;
private String roleDesc;
//多对多的关系映射:一个角色可以赋予多个用户
private List<User> users;
public List<User> getUsers() {
return users;
}
public void setUsers(List<User> users) {
this.users = users;
}
<mapper namespace="com.itcast.dao.IRoleDao">
<!--定义role表的resultMap-->
<resultMap id="roleMap" type="role">
<id property="roleId" column="id"></id>
<!--windows不区分大小写,linux区分大小写-->
<result property="roleName" column="role_name"></result>
<result property="roleDesc" column="role_desc"></result>
<collection property="users" ofType="user">
<id column="id" property="id"></id>
<result column="username" property="username"></result>
<result column="address" property="address"></result>
<result column="sex" property="sex"></result>
<result column="birthday" property="birthday"></result>
</collection>
</resultMap>
<select id="findAll" resultMap="roleMap">
SELECT u.*,r.`ID` rid,r.`ROLE_NAME`,r.`ROLE_DESC` FROM role r
LEFT OUTER JOIN user_role ur ON r.id = ur.`RID`
LEFT OUTER JOIN USER u ON u.id = ur.`UID`
</select>
</mapper>
/**
* 测试查询所有
*/
@Test
public void testFindAll(){
List<Role> roles = roleDao.findAll();
for (Role role : roles) {
System.out.println("-----每个角色的信息-----");
System.out.println(role);
System.out.println(role.getUsers());
}
}
9、mybatis多对多操作-查询用户获取用户所包含的角色信息
-- 查询角色时查出用户
SELECT * FROM role;
SELECT * FROM USER;
-- 两次左外连接
SELECT u.*,r.`ID` rid,r.`ROLE_NAME`,r.`ROLE_DESC` FROM role r
LEFT OUTER JOIN user_role ur ON r.id = ur.`RID`
LEFT OUTER JOIN USER u ON u.id = ur.`UID`
-- 查询用户对应的角色,并不是所有用户都有角色
SELECT u.*,r.`ID` rid,r.`ROLE_NAME`,r.`ROLE_DESC` FROM USER u
LEFT OUTER JOIN user_role ur ON u.id = ur.`UID`
LEFT OUTER JOIN role r ON r.id = ur.`RID`
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.itcast.dao.IUserDao">
<!--定义user的resultMap-->
<resultMap id="userAccountMap" type="user">
<id property="id" column="id"></id>
<result property="username" column="username"></result>
<result property="address" column="address"></result>
<result property="sex" column="sex"></result>
<result property="birthday" column="birthday"></result>
<!--配置角色集合的映射-->
<collection property="roles" ofType="role">
<id property="roleId" column="rid"></id>
<result property="roleName" column="role_name"></result>
<result property="roleDesc" column="role_desc"></result>
</collection>
</resultMap>
<select id="findAll" resultMap="userMap" >
SELECT u.*,r.ID rid,r.ROLE_NAME,r.ROLE_DESC FROM USER u
LEFT OUTER JOIN user_role ur ON u.id = ur.UID
LEFT OUTER JOIN role r ON r.id = ur.RID
</select>
</mapper>
public class User implements Serializable {
private Integer id;
private String username;
private String address;
private String sex;
private Date birthday;
//多对多的关系映射:一个用户可以具备多个角色
private List<Role> roles;
public List<Role> getRoles() {
return roles;
}
public void setRoles(List<Role> roles) {
this.roles = roles;
}
四、JNDI
1、JNDI概述和原理
JNDI(Java Naming and Directory Interface,Java命名和目录接口)是SUN公司提供的一种标准的Java命名系统接口.
是SUN公司推出的一套规范,属于JavaEE技术之一。目的是模仿windows系统中的注册表(搜索-regedit)。
win的 key存放的为:路径+名称
2、JNDI搭建maven的war工程
3、测试JNDI数据源的使用以及使用细节
JNDI数据源
JNDI:Java Naming and Directory Interface。是SUN公司推出的一套规范,属于JavaEE技术之一。目的是模仿windows系统中的注册表。
在服务器中注册数据源:
1.1 创建Maven的war工程并导入坐标
1.2 在webapp文件下创建META-INF目录
1.4 修改SqlMapConfig.xml中的配置
@font-face { font-family: "Times New Roman" }
@font-face { font-family: "宋体" }
@font-face { font-family: "华文楷体" }
p.MsoNormal { mso-style-name: 正文; mso-style-parent: ""; margin: 0 0 0.0001pt; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; font-family: "Times New Roman"; font-size: 10.5pt; mso-font-kerning: 1.0000pt }
h2 { mso-style-name: "标题 2"; mso-style-next: 正文; margin-top: 13pt; margin-bottom: 13pt; page-break-after: avoid; mso-pagination: lines-together; text-align: center; mso-outline-level: 2; line-height: 173%; font-family: "Times New Roman"; mso-fareast-font-family: 华文楷体; font-weight: bold; font-size: 16pt }
p.MsoFooter { mso-style-name: 页脚; mso-style-noshow: yes; margin: 0 0 0.0001pt; layout-grid-mode: char; mso-pagination: none; text-align: left; font-family: "Times New Roman"; font-size: 9pt; mso-font-kerning: 1.0000pt }
p.16 { mso-style-name: 奇偶数页眉; margin: 0 0 0.0001pt; border-bottom: 1pt solid rgba(0, 0, 0, 1); mso-border-bottom-alt: 0.7500pt solid windowtext; padding: 0 0 1pt; layout-grid-mode: char; mso-pagination: none; text-align: center; font-family: "Times New Roman"; mso-fareast-font-family: 宋体; font-size: 10.5pt; mso-font-kerning: 1.0000pt }
span.msoIns { mso-style-type: export-only; mso-style-name: ""; text-decoration: underline; text-underline: single; color: rgba(0, 0, 255, 1) }
span.msoDel { mso-style-type: export-only; mso-style-name: ""; text-decoration: line-through; color: rgba(255, 0, 0, 1) }
@page { mso-page-border-surround-header: no mso-page-border-surround-footer: no }
@page Section0 { }
div.Section0 { page: Section0 }
<%@ page import="java.io.InputStream" %>
<%@ page import="org.apache.ibatis.io.Resources" %>
<%@ page import="org.apache.ibatis.session.SqlSessionFactoryBuilder" %>
<%@ page import="org.apache.ibatis.session.SqlSession" %>
<%@ page import="org.apache.ibatis.session.SqlSessionFactory" %>
<%@ page import="com.itcast.dao.IUserDao" %>
<%@ page import="com.itcast.domain.User" %>
<%@ page import="java.util.List" %>
<%@ page language="java" contentType="text/html; utf-8" pageEncoding="utf-8" %>
<html>
<body>
<h2>Hello World!</h2>
<%
//1.读取配置文件
InputStream in = Resources.getResourceAsStream("SqlMapConfig.xml");
//2.创建SqlSessionFactory工厂
SqlSessionFactoryBuilder builder = new SqlSessionFactoryBuilder();
SqlSessionFactory factory = builder.build(in);
//3.使用工厂生产SqlSession对象
SqlSession sqlSession = factory.openSession();//与jsp的隐式对象session冲突
//4.使用SqlSession创建Dao接口的代理对象
IUserDao userDao = sqlSession.getMapper(IUserDao.class);
//5.使用代理对象执行方法
System.out.println("你好");
List<User> users = userDao.findAll();
for (User user : users) {
System.out.println(user);
}
//6.释放资源
sqlSession.close();
in.close();
%>
</body>
</html>
@font-face { font-family: "Times New Roman" }
@font-face { font-family: "宋体" }
@font-face { font-family: "华文楷体" }
@font-face { font-family: "Courier New" }
@font-face { font-family: "微软雅黑" }
@font-face { font-family: "Consolas" }
@list l0:level1{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"第%1章";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:21.0000pt;text-indent:-21.0000pt;font-family:宋体;}
@list l0:level2{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:255.6500pt;text-indent:-28.8000pt;font-family:宋体;}
@list l0:level3{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2.%3";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:36.0000pt;text-indent:-36.0000pt;font-family:宋体;}
@list l0:level4{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2.%3.%4";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:43.2000pt;text-indent:-43.2000pt;font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';mso-bidi-font-family:'Times New Roman';letter-spacing:0.0000pt;text-transform:none;font-style:normal;font-variant:normal;}
@list l0:level5{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2.%3.%4.%5";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:50.4000pt;text-indent:-50.4000pt;font-family:宋体;}
@list l0:level6{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2.%3.%4.%5.%6";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:57.6000pt;text-indent:-57.6000pt;font-family:宋体;}
@list l0:level7{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2.%3.%4.%5.%6.%7";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:64.8000pt;text-indent:-64.8000pt;font-family:宋体;}
@list l0:level8{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2.%3.%4.%5.%6.%7.%8";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:72.0000pt;text-indent:-72.0000pt;font-family:宋体;}
@list l0:level9{
mso-level-number-format:decimal;
mso-level-suffix:tab;
mso-level-text:"%1.%2.%3.%4.%5.%6.%7.%8.%9";
mso-level-tab-stop:none;
mso-level-number-position:left;
margin-left:79.2000pt;text-indent:-79.2000pt;font-family:宋体;}
p.MsoNormal { mso-style-name: 正文; mso-style-parent: ""; margin: 0 0 0.0001pt; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; font-family: "Times New Roman"; font-size: 10.5pt; mso-font-kerning: 1.0000pt }
h1 { mso-style-name: "标题 1"; mso-style-next: 正文; margin-top: 17pt; margin-bottom: 16.5pt; margin-left: 21pt; text-indent: -21pt; page-break-after: avoid; mso-pagination: lines-together; text-align: center; mso-outline-level: 1; line-height: 240%; font-family: "Times New Roman"; font-weight: bold; font-size: 22pt; mso-font-kerning: 22.0000pt }
h2 { mso-style-name: "标题 2"; mso-style-next: 正文; margin-top: 13pt; margin-bottom: 13pt; margin-left: 255.65pt; text-indent: -28.8pt; page-break-after: avoid; mso-pagination: lines-together; text-align: center; mso-outline-level: 2; line-height: 173%; font-family: "Times New Roman"; mso-fareast-font-family: 华文楷体; font-weight: bold; font-size: 16pt }
p.MsoFooter { mso-style-name: 页脚; mso-style-noshow: yes; margin: 0 0 0.0001pt; layout-grid-mode: char; mso-pagination: none; text-align: left; font-family: "Times New Roman"; font-size: 9pt; mso-font-kerning: 1.0000pt }
p.16 { mso-style-name: 奇偶数页眉; margin: 0 0 0.0001pt; border-bottom: 1pt solid rgba(0, 0, 0, 1); mso-border-bottom-alt: 0.7500pt solid windowtext; padding: 0 0 1pt; layout-grid-mode: char; mso-pagination: none; text-align: center; font-family: "Times New Roman"; mso-fareast-font-family: 宋体; font-size: 10.5pt; mso-font-kerning: 1.0000pt }
p.17 { mso-style-name: 例程代码(无行号); margin: 0 0 0.0001pt; text-indent: 21pt; mso-pagination: none; text-align: justify; text-justify: inter-ideograph; background: rgba(224, 224, 224, 1); font-family: "Courier New"; font-size: 9pt; mso-font-kerning: 1.0000pt; mso-shading: rgb(224,224,224) }
span.msoIns { mso-style-type: export-only; mso-style-name: ""; text-decoration: underline; text-underline: single; color: rgba(0, 0, 255, 1) }
span.msoDel { mso-style-type: export-only; mso-style-name: ""; text-decoration: line-through; color: rgba(255, 0, 0, 1) }
@page { mso-page-border-surround-header: no mso-page-border-surround-footer: no }
@page Section0 { margin-top: 72pt margin-bottom: 72pt margin-left: 70.9pt margin-right: 70.9pt size: 595.3000pt 841.9000pt layout-grid: 15.6000pt }
div.Section0 { page: Section0 }
手机扫一扫
移动阅读更方便
你可能感兴趣的文章