mongoTemplate根据id模糊分页条件查询

package com.liupei.controller;
 
import com.liupei.entity.Fruit;
import com.liupei.entity.User;
import com.mongodb.WriteResult;
import com.mongodb.client.result.DeleteResult;
import com.mongodb.client.result.UpdateResult;
import org.bson.Document;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Example;
import org.springframework.data.domain.ExampleMatcher;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.web.bind.annotation.*;
 
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
 
/**
 * TODO
 *
 * @author liu pei
 * @version 1.0
 * @mail 3268727800@qq.com
 * @date 2020/11/17 22:07
 */
@RestController
@RequestMapping("/user")
public class UserController {
 
    @Autowired
    private MongoTemplate mongoTemplate;
 
    /**
     * 单属性保存
     * @param user
     * @return
     */
    @RequestMapping("/save")
    public Object save(@RequestBody User user) {
        return mongoTemplate.save(user);
    }
 
    /**
     * 多属性保存
     * @param fruit
     * @return
     */
    @RequestMapping("/save/attr")
    public Object saveAttr(@RequestBody Fruit fruit) {
        return mongoTemplate.save(fruit);
    }
 
    /**
     * 根据姓名查询
     * @param name
     * @return
     */
    @GetMapping(value = "/test2")
    public User findTestByName(@RequestParam(value = "name") String name) {
        Query query = new Query(Criteria.where("name").is(name));
        User user = mongoTemplate.findOne(query, User.class);
        return user;
 
    }
 
    /**
     *  使用in模糊查询类似于SQL中的IN
     * 多属性查询：根据名称查询
     * @param colo
     * @return
     */
    @GetMapping(value = "/colo")
    public Object findByColoer(@RequestParam(value = "colo") String colo) {
        Query query = new Query(Criteria.where("attr.name").in(colo));
        List<Fruit> fruits = mongoTemplate.find(query, Fruit.class);
        return fruits;
 
    }
    /**
     * all
     * 多属性查询：根据名称查询
     * @param colo
     * @return
     */
    @GetMapping(value = "/colo/all")
    public Object findByColoerAll(@RequestParam(value = "colo") String colo) {
 
        Query query = new Query(Criteria.where("attr.name").all(colo));
        List<Fruit> fruitList = mongoTemplate.find(query, Fruit.class);
        return fruitList;
 
    }
 
    /**
     * 根据id查询
     * @param id
     * @return
     */
    @GetMapping(value = "/find/id")
    public User findById(@RequestParam(value = "id") String id) {
        Query query = new Query(Criteria.where("_id").is(id));
        User byId = mongoTemplate.findById(query, User.class);
        return byId;
    }
 
    /**
     * 根据id删除
     * @param id
     * @return
     */
    @GetMapping(value = "/del/id")
    public Object del(@RequestParam(value = "id") String id) {
        Query query = new Query(Criteria.where("_id").is(id));
        DeleteResult remove = mongoTemplate.remove(query, User.class);
        return remove;
    }
 
    /**
     *  更新实体
     * @param user
     * @return
     */
    @RequestMapping("/update")
    public Object update(@RequestBody User user) {
        Query query = new Query();
        query.addCriteria(Criteria.where("_id").is(user.getId()));
 
        Document doc = new Document();
        mongoTemplate.getConverter().write(user,doc);
 
        Update update = Update.fromDocument(doc, "_id");
 
        UpdateResult updateResult = mongoTemplate.upsert(query, update, User.class);
 
        return mongoTemplate.save(updateResult);
    }
 
    /**
     *  更新某个属性
     * @param user
     * @return
     */
    @RequestMapping("/update/atrr")
    public Object updateAttr(@RequestBody User user) {
        Query query = new Query();
        query.addCriteria(Criteria.where("_id").is(user.getId()));  //_id区分引号 "1"和1
        Update update = Update.update("name", user.getName());
 
//    WriteResult upsert = mongoTemplate.updateMulti(query, update, "userList"); //查询到的全部更新
//    WriteResult upsert = mongoTemplate.updateFirst(query, update, "userList"); //查询更新第一条
 
        UpdateResult upsert = mongoTemplate.upsert(query, update, User.class);//有则更新，没有则新增
 
        //返回执行的条数
        return upsert;
    }
 
 
    /**
     * 根据名字模糊查询
     * @param name
     * @return
     */
    @GetMapping(value = "/find/name/page")
    public Object findByNamePage(@RequestParam(value = "name") String name) {
        Query query = new Query();
        Criteria criteria = new Criteria();
 
 
        Pattern pattern = Pattern.compile("^.*"+name+".*$", Pattern.CASE_INSENSITIVE);
        //姓名模糊检索
        query.addCriteria(criteria.where("name").regex(pattern));
        //模糊查询名字
        List<User> users = mongoTemplate.find(query, User.class);
        return users;
    }
 
    /**
     * 多条件：根据名字模糊查询，年龄6-18
     * @param name
     * @return
     */
    @GetMapping(value = "/find/like/page")
    public Object findByNameAgePage(@RequestParam(value = "name") String name) {
        Query query = new Query();
        Criteria criteria = new Criteria();
 
        //年龄 6-18
        query.addCriteria(criteria.where("age").gte(6).lte(18));
        //姓名模糊检索
        query.addCriteria(criteria.where("name").regex(name));
        //模糊查询名字
        List<User> users = mongoTemplate.find(query, User.class);
        return users;
    }
 
 
    @GetMapping(value = "/page")
    public Object page(@RequestParam(value = "name") String name) {
        Map<String, Object> resultMap = new HashMap<>();
 
        Query query = new Query();
        Criteria criteria = new Criteria();
        Pattern pattern = Pattern.compile("^.*"+name+".*$", Pattern.CASE_INSENSITIVE);
        //姓名模糊检索
        query.addCriteria(criteria.where("name").regex(pattern));
 
        int totalCount = (int)mongoTemplate.count(query, User.class);
 
        int currentPage = 0;
        // 设置查询条数
        int pageSize = 10;
        // 设置起始数
        query.skip((currentPage - 1) * pageSize).limit(pageSize);
 
        // 数据总页数
        int totalPage = totalCount % pageSize == 0 ? totalCount / pageSize : totalCount / pageSize + 1;
 
        // 设置记录总数和总页数
        resultMap.put("totalCount", totalCount);
        resultMap.put("totalPage", totalPage);
 
        // 按创建时间倒序
        query.with(new Sort(Sort.Direction.DESC, "age"));
        // 查询当前页数据集合
        List<User> records = mongoTemplate.find(query, User.class);
        resultMap.put("data", records);
        return resultMap;
 
    }
 
}