政策查询系统（安卓）3

mapper

package com.leap.jixianceshiboot.mapper;
import com.leap.jixianceshiboot.entity.Policy;
import com.leap.jixianceshiboot.entity.PolicyTypeCount;
import com.leap.jixianceshiboot.util.Result;
import org.apache.ibatis.annotations.Mapper;
import java.util.List;
@Mapper
public interface PolicyQueryMapper{
    public List<Policy> getPolicy(String name,String document,String organ,String text);
    List<PolicyTypeCount> findPolicyCountsByType();
    List<Policy> getPolicy1(String type);

    List<Policy> queryPolicy(String name);

    List<Policy> getAll();
}
接口层

package com.leap.jixianceshiboot.service.impl;


import com.github.pagehelper.Page;
import com.github.pagehelper.PageHelper;
import com.leap.jixianceshiboot.entity.Policy;
import com.leap.jixianceshiboot.entity.PolicyTypeCount;
import com.leap.jixianceshiboot.mapper.PolicyQueryMapper;
import com.leap.jixianceshiboot.service.PolicyQueryService;
import com.leap.jixianceshiboot.util.PageBean;
import com.leap.jixianceshiboot.util.Result;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;


@Service
public class PolicyQueryServiceImpl implements PolicyQueryService {
    @Autowired
    private PolicyQueryMapper policyQueryMapper;

    @Override
    public PageBean<Policy> getPolicy(Integer pageNum, Integer pageSize, String name,String document,String organ,String text) {
        PageBean<Policy> pageBean = new PageBean<>();

        //开启分页查询PageHelper
        PageHelper.startPage(pageNum,pageSize);
        List<Policy> list = policyQueryMapper.getPolicy(name,document,organ,text);
        Page<Policy> p = (Page<Policy>) list;

        pageBean.setTotal(p.getTotal());
        pageBean.setItems(p.getResult());
        return pageBean;
    }

    @Override
    public PageBean<Policy> getPolicy1(Integer pageNum, Integer pageSize, String type) {
        PageBean<Policy> pageBean = new PageBean<>();

        //开启分页查询PageHelper
        PageHelper.startPage(pageNum,pageSize);
        List<Policy> list = policyQueryMapper.getPolicy1(type);
        Page<Policy> p = (Page<Policy>) list;

        pageBean.setTotal(p.getTotal());
        pageBean.setItems(p.getResult());
        return pageBean;
    }
    @Override
    public List<PolicyTypeCount> getPolicyCountsByType() {
        return policyQueryMapper.findPolicyCountsByType();
    }

    @Override
    public List<Policy> queryPolicy(String name) {
        return policyQueryMapper.queryPolicy(name);
    }

    @Override
    public List<Policy> getAll() {
        return policyQueryMapper.getAll();
    }
}

package com.leap.jixianceshiboot.service;

import com.leap.jixianceshiboot.entity.Policy;
import com.leap.jixianceshiboot.entity.PolicyTypeCount;
import com.leap.jixianceshiboot.util.PageBean;
import com.leap.jixianceshiboot.util.Result;

import java.util.List;

public interface PolicyQueryService {
    public PageBean<Policy> getPolicy(Integer pageNum, Integer pageSize, String name,String document,String organ,String text);

    public PageBean<Policy> getPolicy1(Integer pageNum, Integer pageSize, String type);

    List<PolicyTypeCount> getPolicyCountsByType();

    List<Policy> queryPolicy(String name);

    List<Policy> getAll();
}

package com.leap.jixianceshiboot.util;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.List;

//分页返回结果对象
@Data
@NoArgsConstructor
@AllArgsConstructor
public class PageBean<T>{
    private Long total;//总条数
    private List<T> items;//当前页数据集合
}

package com.leap.jixianceshiboot.util;


import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

//统一响应结果
@NoArgsConstructor
@AllArgsConstructor
@Data
public class Result<T> {
    private Integer code;//业务状态码  0-成功  1-失败
    private String message;//提示信息
    private T data;//响应数据

    //快速返回操作成功响应结果(带响应数据)
    public static <E> Result<E> success(E data) {
        return new Result<>(0, "操作成功", data);
    }

    //快速返回操作成功响应结果
    public static Result success() {
        return new Result(0, "操作成功", null);
    }

    public static Result error(String message) {
        return new Result(1, message, null);
    }
}