spring boot +mybatis分頁查詢

這是spring boot集合mybatis的分頁查詢。

pom依賴：

		<!-- 分頁插件 -->
		<dependency>
		    <groupId>com.github.pagehelper</groupId>
		    <artifactId>pagehelper</artifactId>
		    <version>4.1.0</version>
		</dependency>

　往spring容器注入一個Bean,寫在main方法下面就行，或者另外寫個類，加上註解@Configuration，被spring boot容器掃描到就行:

	    @Bean
	    public PageHelper pageHelper() {
	        PageHelper pageHelper = new PageHelper();
	        Properties p = new Properties();
	        p.setProperty("offsetAsPageNum", "true");
	        p.setProperty("rowBoundsWithCount", "true");
	        p.setProperty("reasonable", "true");
	        p.setProperty("dialect", "mysql");
	        p.setProperty("supportMethodsArguments", "false");
	         p.setProperty("pageSizeZero", "true");
	        pageHelper.setProperties(p);
	        return pageHelper;
	    }

　　

 

　建立一個抽象類，分頁類須要繼承這個抽象類AbstractPageForm。

import java.io.Serializable;

import com.github.pagehelper.PageHelper;

public abstract class AbstractPageForm<T extends AbstractPageForm<T>> implements Serializable {
	 
    private static final long serialVersionUID = 1L;
 
    /**
     * @Description 頁碼爲首頁
     */
    protected int pageNum = 1;
   
    /**
     * @Description 每頁顯示數量，默認爲10
     */
    protected int pageSize = 10;
 
    public int getPageNum() {
        return pageNum;
    }
 
    public void setPageNum(int pageNum) {
        this.pageNum = pageNum;
    }
 
    public int getPageSize() {
        return pageSize;
    }
 
    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }
 
    /**
     * @Title enablePaging
     * @Description 啓用分頁
     * @return
     */
    @SuppressWarnings("unchecked")
    public final T enablePaging() {
        PageHelper.startPage(pageNum, pageSize);
        return (T) this;
    }
 
 
}

　　寫一個分頁類，繼承上面個抽象類

import *.AbstractPageForm;//換成本身的包

public class TestPage extends AbstractPageForm<TestPage>{

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	

}

　　查詢方法：

	public PageInfo selectAll() {
		TestPage TestPage = new TestnPage();
		List<Test> selectAll = TestMapper.selectAll(TestPage.enablePaging());
		PageInfo<Test> pageInfo = new PageInfo<>(selectAll);
		return pageInfo;
	}