此项目为spring boot - myBatis - neo4j数据库整合项目。
有增删改查(节点关系)、动态分页条件排序等一些示例。
git下载地址:git clone IT虾米网 项目名:springboot-mybatis-neo4j
运行此项目前请先到http://localhost:7474/browser/运行cql(确定安装了neo4j数据库)
create (u:user{name:'wsm',sex:'男',age:23}) - [l:like] -> (y:user{name:'yy',sex:'女',age:21}) 

   

pom文件依赖

<?xml version="1.0" encoding="UTF-8"?> 
<project xmlns="http://maven.apache.org/POM/4.0.0" 
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> 
    <modelVersion>4.0.0</modelVersion> 
<span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>springboot-neo4j-mybatis<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span> 
<span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>springboot-neo4j-mybatis<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span> 
<span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>1.0-SNAPSHOT<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span> 
 
<span class="hljs-tag">&lt;<span class="hljs-name">dependencies</span>&gt;</span> 
    <span class="hljs-comment">&lt;!--spring boot--&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.springframework.boot<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>spring-boot-starter-web<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>2.1.2.RELEASE<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.springframework.boot<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>spring-boot-starter-test<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">scope</span>&gt;</span>test<span class="hljs-tag">&lt;/<span class="hljs-name">scope</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>2.1.2.RELEASE<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span> 
 
    <span class="hljs-comment">&lt;!--org.json--&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.json<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>json<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>20180813<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span> 
 
    <span class="hljs-comment">&lt;!--neo4j-jdbc-driver--&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.neo4j<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>neo4j-jdbc-driver<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>3.4.0<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span> 
 
    <span class="hljs-comment">&lt;!--mybatis-spring-boot--&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.mybatis.spring.boot<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>mybatis-spring-boot-starter<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>2.0.1<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span> 
<span class="hljs-tag">&lt;/<span class="hljs-name">dependencies</span>&gt;</span> 
 
 
<span class="hljs-tag">&lt;<span class="hljs-name">build</span>&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">plugins</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">plugin</span>&gt;</span> 
            <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.springframework.boot<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span> 
            <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>spring-boot-maven-plugin<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span> 
        <span class="hljs-tag">&lt;/<span class="hljs-name">plugin</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">plugins</span>&gt;</span> 
<span class="hljs-tag">&lt;/<span class="hljs-name">build</span>&gt;</span> 

</project>

application.yml

#端口号 
server: 
  port: 8018 

spring:
application:
name: springboot-mybatis-neo4j #服务名

datasource:
driver-class-name: org.neo4j.jdbc.http.HttpDriver
name: neo4j
password: root
url: jdbc:neo4j:IT虾米网

mybatis:
mapper-locations: classpath:mapper/*.xml

UserMapper.xml

<?xml version="1.0" encoding="UTF-8"?> 
<!DOCTYPE mapper PUBLIC "-//mybatis.org/DTD Mapper 3.0" "http://mybatis.org/dtd/mybatis-3-mapper.dtd"> 
<mapper namespace="com.study.mapper.UserMapper"> 
<span class="hljs-comment">&lt;!-- 自定义结果集--&gt;</span> 
<span class="hljs-tag">&lt;<span class="hljs-name">resultMap</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"userMap"</span> <span class="hljs-attr">type</span>=<span class="hljs-string">"com.study.model.UserModel"</span>&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">id</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"id"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"id"</span>/&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">result</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"name"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"name"</span>/&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">result</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"age"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"age"</span>/&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">result</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"sex"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"sex"</span>/&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">collection</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"userModels"</span> <span class="hljs-attr">ofType</span>=<span class="hljs-string">"com.study.model.UserModel"</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">id</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"id"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"id1"</span>/&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">result</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"name"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"name1"</span>/&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">result</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"age"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"age1"</span>/&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">result</span> <span class="hljs-attr">property</span>=<span class="hljs-string">"sex"</span> <span class="hljs-attr">column</span>=<span class="hljs-string">"sex1"</span>/&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">collection</span>&gt;</span> 
<span class="hljs-tag">&lt;/<span class="hljs-name">resultMap</span>&gt;</span> 
 
<span class="hljs-comment">&lt;!--这里CQL语句返回的字段名必须与上面定义的结果集的字段名一致,若不一致需要重命名,否则会报空指针异常 --&gt;</span> 
<span class="hljs-tag">&lt;<span class="hljs-name">select</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"getPage"</span> <span class="hljs-attr">resultMap</span>=<span class="hljs-string">"userMap"</span>&gt;</span> 
    match (u:user) 
    <span class="hljs-tag">&lt;<span class="hljs-name">where</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">if</span> <span class="hljs-attr">test</span>=<span class="hljs-string">"name != null and name != ''"</span>&gt;</span> 
            u.name =~ #{name} 
        <span class="hljs-tag">&lt;/<span class="hljs-name">if</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">if</span> <span class="hljs-attr">test</span>=<span class="hljs-string">"sex != null and sex != ''"</span>&gt;</span> 
            and u.sex = #{sex} 
        <span class="hljs-tag">&lt;/<span class="hljs-name">if</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">where</span>&gt;</span> 
    return 
    id(u) as id,u.name as name,u.age as age,u.sex as sex 
    <span class="hljs-tag">&lt;<span class="hljs-name">if</span> <span class="hljs-attr">test</span>=<span class="hljs-string">"sort != null and sort != ''"</span>&gt;</span> 
        order by ${sort} 
    <span class="hljs-tag">&lt;/<span class="hljs-name">if</span>&gt;</span> 
    <span class="hljs-tag">&lt;<span class="hljs-name">if</span> <span class="hljs-attr">test</span>=<span class="hljs-string">"pageStart &gt;= 0 and pageSize &gt; 0"</span>&gt;</span> 
        skip #{pageStart} limit #{pageSize} 
    <span class="hljs-tag">&lt;/<span class="hljs-name">if</span>&gt;</span> 
<span class="hljs-tag">&lt;/<span class="hljs-name">select</span>&gt;</span> 
 
<span class="hljs-tag">&lt;<span class="hljs-name">select</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"getPageTotal"</span> <span class="hljs-attr">resultType</span>=<span class="hljs-string">"int"</span>&gt;</span> 
    match (u:user) 
    <span class="hljs-tag">&lt;<span class="hljs-name">where</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">if</span> <span class="hljs-attr">test</span>=<span class="hljs-string">"name != null and name != ''"</span>&gt;</span> 
            u.name =~ #{name} 
        <span class="hljs-tag">&lt;/<span class="hljs-name">if</span>&gt;</span> 
        <span class="hljs-tag">&lt;<span class="hljs-name">if</span> <span class="hljs-attr">test</span>=<span class="hljs-string">"sex != null and sex != ''"</span>&gt;</span> 
            and u.sex = #{sex} 
        <span class="hljs-tag">&lt;/<span class="hljs-name">if</span>&gt;</span> 
    <span class="hljs-tag">&lt;/<span class="hljs-name">where</span>&gt;</span> 
    return count(*) 
<span class="hljs-tag">&lt;/<span class="hljs-name">select</span>&gt;</span> 
 
<span class="hljs-tag">&lt;<span class="hljs-name">select</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"getAll"</span> <span class="hljs-attr">resultMap</span>=<span class="hljs-string">"userMap"</span>&gt;</span> 
    match 
      (u:user) 
    return 
      id(u) as id,u.name as name,u.age as age,u.sex as sex 
<span class="hljs-tag">&lt;/<span class="hljs-name">select</span>&gt;</span> 
 
<span class="hljs-tag">&lt;<span class="hljs-name">select</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"getById"</span> <span class="hljs-attr">resultMap</span>=<span class="hljs-string">"userMap"</span>&gt;</span> 
    match 
      (u:user)- [l:like] -&gt; (u1:user) 
    where 
      id(u) = #{id} 
    return 
      id(u) as id,u.name as name,u.age as age,u.sex as sex, 
      id(u1) as id1,u1.name as name1,u1.age as age1,u1.sex as sex1 
<span class="hljs-tag">&lt;/<span class="hljs-name">select</span>&gt;</span> 
 
<span class="hljs-tag">&lt;<span class="hljs-name">insert</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"add"</span>&gt;</span> 
    create(u:user{name:#{model.name},age:#{model.age},sex:#{model.sex}}) 
<span class="hljs-tag">&lt;/<span class="hljs-name">insert</span>&gt;</span> 
 
<span class="hljs-tag">&lt;<span class="hljs-name">update</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"update"</span>&gt;</span> 
    match (u:user) 
    where id(u) = #{model.id} 
    set u.name = #{model.name},u.age = #{model.age},u.sex = #{model.sex} 
<span class="hljs-tag">&lt;/<span class="hljs-name">update</span>&gt;</span> 
 
<span class="hljs-tag">&lt;<span class="hljs-name">delete</span> <span class="hljs-attr">id</span>=<span class="hljs-string">"deleteById"</span>&gt;</span> 
    match (u:user) where id(u) = #{id} delete u 
<span class="hljs-tag">&lt;/<span class="hljs-name">delete</span>&gt;</span> 

</mapper>

UserMapper接口

package com.study.mapper; 

import com.study.model.UserModel;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface UserMapper {

<span class="hljs-built_in">List</span>&lt;UserModel&gt; getPage(<span class="hljs-meta">@Param</span>(<span class="hljs-string">"pageStart"</span>) <span class="hljs-built_in">int</span> pageStart, <span class="hljs-meta">@Param</span>(<span class="hljs-string">"pageSize"</span>) <span class="hljs-built_in">int</span> pageSize, <span class="hljs-meta">@Param</span>(<span class="hljs-string">"sort"</span>) <span class="hljs-built_in">String</span> sort, <span class="hljs-meta">@Param</span>(<span class="hljs-string">"name"</span>) <span class="hljs-built_in">String</span> name, <span class="hljs-meta">@Param</span>(<span class="hljs-string">"sex"</span>) <span class="hljs-built_in">String</span> sex); 
 
<span class="hljs-built_in">int</span> getPageTotal(<span class="hljs-meta">@Param</span>(<span class="hljs-string">"name"</span>) <span class="hljs-built_in">String</span> name, <span class="hljs-meta">@Param</span>(<span class="hljs-string">"sex"</span>) <span class="hljs-built_in">String</span> sex); 
 
<span class="hljs-built_in">List</span>&lt;UserModel&gt; getAll(); 
 
UserModel getById(<span class="hljs-meta">@Param</span>(<span class="hljs-string">"id"</span>) Long id); 
 
<span class="hljs-built_in">int</span> add(<span class="hljs-meta">@Param</span>(<span class="hljs-string">"model"</span>) UserModel model); 
 
<span class="hljs-built_in">int</span> update(<span class="hljs-meta">@Param</span>(<span class="hljs-string">"model"</span>) UserModel model); 
 
<span class="hljs-built_in">int</span> deleteById(<span class="hljs-meta">@Param</span>(<span class="hljs-string">"id"</span>) Long id); 

}

userModel实体类

package com.study.model; 

import java.util.List;

public class UserModel {

<span class="hljs-keyword">private</span> Long id; 
 
<span class="hljs-keyword">private</span> String name; 
 
<span class="hljs-keyword">private</span> Integer age; 
 
<span class="hljs-keyword">private</span> String sex; 
 
<span class="hljs-keyword">private</span> List&lt;UserModel&gt; userModels; 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> Long <span class="hljs-title">getId</span><span class="hljs-params">()</span> </span>{ 
    <span class="hljs-keyword">return</span> id; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setId</span><span class="hljs-params">(Long id)</span> </span>{ 
    <span class="hljs-keyword">this</span>.id = id; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> String <span class="hljs-title">getName</span><span class="hljs-params">()</span> </span>{ 
    <span class="hljs-keyword">return</span> name; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setName</span><span class="hljs-params">(String name)</span> </span>{ 
    <span class="hljs-keyword">this</span>.name = name; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> Integer <span class="hljs-title">getAge</span><span class="hljs-params">()</span> </span>{ 
    <span class="hljs-keyword">return</span> age; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setAge</span><span class="hljs-params">(Integer age)</span> </span>{ 
    <span class="hljs-keyword">this</span>.age = age; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> String <span class="hljs-title">getSex</span><span class="hljs-params">()</span> </span>{ 
    <span class="hljs-keyword">return</span> sex; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setSex</span><span class="hljs-params">(String sex)</span> </span>{ 
    <span class="hljs-keyword">this</span>.sex = sex; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> List&lt;UserModel&gt; <span class="hljs-title">getUserModels</span><span class="hljs-params">()</span> </span>{ 
    <span class="hljs-keyword">return</span> userModels; 
} 
 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">void</span> <span class="hljs-title">setUserModels</span><span class="hljs-params">(List&lt;UserModel&gt; userModels)</span> </span>{ 
    <span class="hljs-keyword">this</span>.userModels = userModels; 
} 

}

UserController控制器

package com.study.controller; 

import com.study.mapper.UserMapper;
import com.study.model.UserModel;
import com.study.result.PageParam;
import com.study.result.PageResult;
import org.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/user")
public class UserController {

<span class="hljs-meta">@Autowired</span> 
<span class="hljs-keyword">private</span> UserMapper userMapper; 
 
<span class="hljs-comment">/** 
 * 分页条件查询 
 * 参数例:{"pageIndex":1,"pageSize":2,"sort":"u.sex desc","condition":"{'name':'','sex':'男'}"} 
 * 
 * <span class="hljs-doctag">@param</span> pageParam 
 * <span class="hljs-doctag">@return</span> 
 */</span> 
<span class="hljs-meta">@PostMapping</span>(<span class="hljs-string">"/getPage"</span>) 
<span class="hljs-function"><span class="hljs-keyword">public</span> PageResult <span class="hljs-title">getPage</span><span class="hljs-params">(@RequestBody PageParam pageParam)</span> </span>{ 
    <span class="hljs-keyword">int</span> pageStart = pageParam.getPageStart(); 
    <span class="hljs-keyword">int</span> pageIndex = pageParam.getPageIndex(); 
    <span class="hljs-keyword">int</span> pageSize = pageParam.getPageSize(); 
    String sort = pageParam.getSort(); 
 
    JSONObject jsonObject = <span class="hljs-keyword">new</span> JSONObject(pageParam.getCondition()); 
    String name = <span class="hljs-string">".*"</span> + jsonObject.getString(<span class="hljs-string">"name"</span>) + <span class="hljs-string">".*"</span>; <span class="hljs-comment">//模糊查询</span> 
    String sex = jsonObject.getString(<span class="hljs-string">"sex"</span>); 
 
    List&lt;UserModel&gt; models = userMapper.getPage(pageStart, pageSize, sort, name, sex); 
    <span class="hljs-keyword">int</span> total = userMapper.getPageTotal(name, sex); 
    PageResult pageResult = <span class="hljs-keyword">new</span> PageResult(pageIndex, pageSize, total, models); 
 
    <span class="hljs-keyword">return</span> pageResult; 
} 
 
<span class="hljs-meta">@GetMapping</span>(<span class="hljs-string">"/getAll"</span>) 
<span class="hljs-function"><span class="hljs-keyword">public</span> List&lt;UserModel&gt; <span class="hljs-title">getAll</span><span class="hljs-params">()</span> </span>{ 
    List&lt;UserModel&gt; models = userMapper.getAll(); 
    <span class="hljs-keyword">return</span> models; 
} 
 
<span class="hljs-comment">/** 
 * 根据id查询(含节点关系) 
 * 
 * <span class="hljs-doctag">@param</span> id 
 * <span class="hljs-doctag">@return</span> 
 */</span> 
<span class="hljs-meta">@GetMapping</span>(<span class="hljs-string">"/getById/{id}"</span>) 
<span class="hljs-function"><span class="hljs-keyword">public</span> UserModel <span class="hljs-title">getById</span><span class="hljs-params">(@PathVariable Long id)</span> </span>{ 
    UserModel model = userMapper.getById(id); 
    <span class="hljs-keyword">return</span> model; 
} 
 
<span class="hljs-meta">@PostMapping</span>(<span class="hljs-string">"/add"</span>) 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">int</span> <span class="hljs-title">add</span><span class="hljs-params">(@RequestBody UserModel model)</span> </span>{ 
    <span class="hljs-keyword">int</span> i = userMapper.add(model); 
    <span class="hljs-keyword">return</span> i; 
} 
 
<span class="hljs-meta">@PostMapping</span>(<span class="hljs-string">"/update"</span>) 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">int</span> <span class="hljs-title">update</span><span class="hljs-params">(@RequestBody UserModel model)</span> </span>{ 
    <span class="hljs-keyword">int</span> i = userMapper.update(model); 
    <span class="hljs-keyword">return</span> i; 
} 
 
<span class="hljs-meta">@DeleteMapping</span>(<span class="hljs-string">"/deleteById/{id}"</span>) 
<span class="hljs-function"><span class="hljs-keyword">public</span> <span class="hljs-keyword">int</span> <span class="hljs-title">deleteById</span><span class="hljs-params">(@PathVariable Long id)</span> </span>{ 
    <span class="hljs-keyword">int</span> i = userMapper.deleteById(id); 
    <span class="hljs-keyword">return</span> i; 
} 

}

要用分页条件查询请到git 上复制 PageResult,PageParam类。

最后在入口类记得加上扫描mapper接口@MapperScan(“com.study.mapper”)

      原文地址:https://blog.csdn.net/WSM960921/article/details/95076242                          </div>

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