springboot用thymeleaf模板的paginate分页完整代码
2017-07-31 11:07
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本文根据一个简单的user表为例，展示 springboot集成mybatis，再到前端分页完整代码（新手自学，不足之处欢迎纠正）；
先看java部分
pom.xml 加入
<!--支持 Web 应用开发，包含 Tomcat 和 spring-mvc。 --> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <!--模板引擎--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency> <!--Mybatis--> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis-spring</artifactId> <version>1.2.2</version> </dependency> <dependency> <groupId>org.mybatis</groupId> <artifactId>mybatis</artifactId> <version>3.2.8</version> </dependency> <dependency> <groupId>org.mybatis.generator</groupId> <artifactId>mybatis-generator-core</artifactId> <version>1.3.2</version> </dependency> <!-- mybatis pagehelper --> <dependency> <groupId>com.github.pagehelper</groupId> <artifactId>pagehelper</artifactId> <version>3.6.3</version> </dependency> <!--Mysql / DataSource--> <dependency> <groupId>org.apache.tomcat</groupId> <artifactId>tomcat-jdbc</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> </dependency> <!--springboot 集成Mybatis所需jar配置 end-->
application.properties文件
spring.datasource.platform=mysql spring.datasource.url=jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=utf-8 spring.datasource.username=root spring.datasource.password=root spring.datasource.driverClassName=com.mysql.jdbc.Driver # Advanced configuration... spring.datasource.max-active=50 spring.datasource.max-idle=6 spring.datasource.min-idle=2 spring.datasource.initial-size=6 #create table spring.jpa.hibernate.ddl-auto=validate spring.thymeleaf.prefix=classpath:/templates/ spring.thymeleaf.suffix=.html spring.thymeleaf.mode=HTML5 spring.thymeleaf.encoding=UTF-8 spring.thymeleaf.content-type=text/html spring.thymeleaf.cache=false
启动类 Application.java
@SpringBootApplication
@MapperScan("com.boot.mapper")
public class Application {
//定义一个全局的记录器，通过LoggerFactory获取
private final static Logger logger = LoggerFactory.getLogger(Application.class);
//----------------------------mybaits配置start-------------------------------------------
//DataSource
@Bean
@ConfigurationProperties(prefix="spring.datasource")
public DataSource dataSource() {
return new org.apache.tomcat.jdbc.pool.DataSource();
}
//SqlSessionFactory
@Bean
public SqlSessionFactory sqlSessionFactoryBean() throws Exception {
SqlSessionFactoryBean sqlSessionFactoryBean = new SqlSessionFactoryBean();
sqlSessionFactoryBean.setDataSource(dataSource());
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
sqlSessionFactoryBean.setMapperLocations(resolver.getResources("classpath:mapper/*.xml"));
return sqlSessionFactoryBean.getObject();
}
@Bean
public PlatformTransactionManager transactionManager() {
return new DataSourceTransactionManager(dataSource());
}
//------------------------------mybaits配置end---------------------------------
public static void main(String[] args){
System.out.println("Hello World!");
SpringApplication.run(Application.class, args);
}
}
以一个简单的user对象为例
private Integer id; private String name; private String password;
controller层
@RestController
public class UserController {
@Autowired
UserService uSer;
@RequestMapping("userlist")
public Object userlist(@RequestParam(value="pageon",defaultValue="1")int pageon
,ModelAndView mv){
mv.addAllObjects(uSer.UserList(pageon));
return mv;
}
}
service层
public Map<String, Object> UserList(int pageon) {
// TODO Auto-generated method stub
Map<String,Object> map=new HashMap<String, Object>();
Page page=new Page(pageon);
page.setRowcountAndCompute(userMapper.selectPageListCount(null));
map.put("page", page);
map.put("list", userMapper.selectPageList(map));
return map;
}
UserMapper.xml
<select id="selectPageList" parameterType="java.util.Map" resultMap="BaseResultMap" >
select id, name, password from user order by id limit #{page.start},#{page.row}
</select>
<select id="selectPageListCount" parameterType="java.util.Map" resultType="int" >
select count(1) from user
</select>
到此时后台代码结束
附加个page工具类
package com.boot.utils;
import java.io.Serializable;
public class Page implements Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
public int getPageon() {
return pageon;
}
public void setPageon(int pageon) {
this.pageon = pageon;
}
public int getRowcount() {
return rowcount;
}
public void setRowcount(int rowcount) {
this.rowcount = rowcount;
}
public int getPagecount() {
return pagecount;
}
public void setPagecount(int pagecount) {
this.pagecount = pagecount;
}
public int getRow() {
return row;
}
public void setRow(int row) {
this.row = row;
}
public Page(int pageon, int row, int rowcount) {
pageNumber = 11;
this.pageon = pageon;
this.row = row;
this.rowcount = rowcount;
compute();
}
public Page(int pageon, int row) {
pageNumber = 11;
this.pageon = pageon;
this.row = row;
}
public Page(int pageon) {
pageNumber = 11;
this.pageon = pageon;
}
public Page() {
pageNumber = 11;
}
public int getPageNumber() {
return pageNumber;
}
public void setPageNumber(int pageNumber) {
this.pageNumber = pageNumber;
}
public void compute() {
if (rowcount <= 0)
return;
if (row <= 0)
row = 10;
pagecount = rowcount % row != 0 ? rowcount / row + 1 : rowcount / row;
if (pageon > pagecount)
pageon = pagecount;
if (pageon < 1)
pageon = 1;
start = (pageon - 1) * row;
end = pageon * row;
if (end > rowcount)
end = rowcount;
}
public int getStart() {
return start;
}
public void setStart(int start) {
this.start = start;
}
public int getEnd() {
return end;
}
public void setEnd(int end) {
this.end = end;
}
public void setRowcountAndCompute(int rowcount) {
this.rowcount = rowcount;
compute();
}
protected int pageon;
protected int rowcount;
protected int pagecount;
protected int row;
protected int start;
protected int end;
protected int pageNumber;
}
前端代码开始
statis目录下加入如下几个文件
在templates目录下建立一个前端分页工具页面 page.html,（虽然代码不多，封装这点东西花费我半天时间！！）
<!DOCTYPE html >
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:th="http://www.thymeleaf.org">
<head th:fragment="page">
<link rel="stylesheet" th:href="@{/css/pagestyle.css}" rel="external nofollow" />
<script type="text/javascript" th:src="@{/js/jquery-3.1.1.min.js}"></script>
<script type="text/javascript" th:src="@{/js/jquery.paginate.js}"></script>
<script th:inline="javascript">
(function($) {
/*<![CDATA[*/
var count=[[${page.pagecount}]];
var start=[[${page.pageon}]];
/*]]>*/
var url=$("#page").attr('url');
var displaycnt=count>10?10:count;
fenye(count,start,url,displaycnt);
})(jQuery);
function fenye(count,start,url,displaycnt){
/*<![CDATA[*/
if(count<2)
return;
/*]]>*/
$("#page").paginate({
count : count,
start : start,
display : displaycnt,
border : true,
border_color : '#fff',
text_color : '#fff',
background_color : 'pink',
border_hover_color : '#ccc',
text_hover_color : '#000',
background_hover_color : '#fff',
images : true,
mouse : 'press',
onChange: function(page_index) {
var tourl;
/*<![CDATA[*/
if(url.indexOf('?')>0)
tourl=url+'&pageon='+page_index;
else
tourl=url+'?pageon='+page_index;
window.location.href=tourl;
/*]]>*/
}
});
};
</script>
</head>
</html>
接下来就是引用分页插件了。
在templates目录下建立userlist.html.
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8"/>
<title>用户列表</title>
</head>
<body>
<div style="width: 1000px;" >
<table style="border-width: 1px;border-style: dashed;">
<tr>
<td>ID</td>
<td>姓名</td>
<td>密码</td>
</tr>
<p th:each="user:${list}">
<tr>
<td th:text="${user.id}">ID</td>
<td th:text="${user.name}">姓名</td>
<td th:text="${user.password}">密码</td>
</tr>
</p>
</table><div id="page" url="/userlist" ></div>
<div th:replace="page :: page"></div>
</div>
</body>
</html>
可以看到 引用分页的代码 只有两句，是不是很好用
<div id="page" url="/userlist" ></div> <div th:replace="page :: page"></div>
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