resttemplate 请求返回值为范型

最新推荐文章于 2024-06-23 16:13:44 发布

原创最新推荐文章于 2024-06-23 16:13:44 发布 · 1.3k 阅读

2 ·

CC 4.0 BY-SA版权

本文介绍如何使用Spring框架的RestTemplate进行RESTful API的分页查询操作，包括设置分页参数、发送POST请求及解析返回的泛型数据。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >


public BaseResult<AAA> test(){
    Page page = new Page();
    page.setPageNo(1);
    page.setPageSize(10);
    HttpEntity httpEntity = new HttpEntity(page);
    ParameterizedTypeReference<BaseResult<AAA>> typeRef = new ParameterizedTypeReference<BaseResult<AAA>>() {};
    String url = "url";
    BaseResult<AAA> result = restTemplate.exchange(url, HttpMethod.POST, httpEntity, typeRef).getBody();
    return result;
}

public BaseResult<AAA> test1(){
Page page = new Page();
page.setPageNo(1);
page.setPageSize(10);
String url = "url";
String result = restTemplate.postForEntity (url, page, String.class).getBody();
BaseResult<AAA> placeTypeBaseResult = new Gson().fromJson(result, new TypeToken<BaseResult<AAA>>() {}.getType());
return placeTypeBaseResult;
}




package com.example.demo.dto;

/**
 * @author 
 * @description TODO
 * @date 2019/3/12
 */
public class BaseResult<T> {

    private int resultCode;
    private BaseResultData<T> data;

    public int getResultCode() {
        return resultCode;
    }

    public void setResultCode(int resultCode) {
        this.resultCode = resultCode;
    }

    public BaseResultData<T> getData() {
        return data;
    }

    public void setData(BaseResultData<T> data) {
        this.data = data;
    }
}

package com.example.demo.dto;

import java.util.List;

/**
 * @author 
 * @description TODO
 * @date 2019/3/12
 */
public class BaseResultData<T> {
    private int pageNo;
    private int pageSize;
    private int totalPage;
    private int total;
    private List<T> rows;

    public int getPageNo() {
        return pageNo;
    }

    public void setPageNo(int pageNo) {
        this.pageNo = pageNo;
    }

    public int getPageSize() {
        return pageSize;
    }

    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }

    public int getTotalPage() {
        return totalPage;
    }

    public void setTotalPage(int totalPage) {
        this.totalPage = totalPage;
    }

    public int getTotal() {
        return total;
    }

    public void setTotal(int total) {
        this.total = total;
    }

    public List<T> getRows() {
        return rows;
    }

    public void setRows(List<T> rows) {
        this.rows = rows;
    }
}