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一行代码搞定Http请求，强得离谱
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1
OKHttpUtil在Java的世界中，Http客户端之前一直是Apache家的HttpClient占据主导，但是由于此包较为庞大，API又比较难用，因此并不使用很多场景。而新兴的OkHttp、Jodd-http固然好用，但是面对一些场景时，学习成本还是有一些的。
很多时候，我们想追求轻量级的Http客户端，并且追求简单易用。而OKHttp是一套处理 HTTP 网络请求的依赖库，由 Square 公司设计研发并开源，目前可以在 Java 和 Kotlin 中使用。
对于 Android App来说，OkHttp 现在几乎已经占据了所有的网络请求操作，对于服务器端请求外部接口也是必备的选择 。针对OKHttp，OkHttpUtil做了一层封装，使Http请求变得无比简单。
2
OKHttpUtil 功能根据URL自动判断是请求HTTP还是HTTPS，不需要单独写多余的代码。
默认情况下Cookie自动记录，比如可以实现模拟登录，即第一次访问登录URL后后续请求就是登录状态。
自动识别304跳转并二次请求
支持代理配置
支持referer配置
支持User-Agent配置
自动识别并解压Gzip格式返回内容
支持springboot 配置文件
极简的封装调用
3
OKHttpUtil使用maven引入
<dependency>
<groupId>io.github.admin4j</groupId>
<artifactId>http</artifactId>
<version>0.4.0</version>
</dependency>最新版查询：
https://search.maven.org/artifact/io.github.admin4j/http
GET
最简单的使用莫过于用HttpUtil工具类快速请求某个接口：
Response response = HttpUtil.get("https://github.com/search", Pair.of("q", "okhttp"));
System.out.println("response = " + response);POST
一行代码即可搞定，当然Post请求也很简单：
# JSON 格式的body
Response post = HttpUtil.post("https://oapi.dingtalk.com/robot/send?access_token=27f5954ab60ea8b2e431ae9101b1289c138e85aa6eb6e3940c35ee13ff8b6335", "{\"msgtype\": \"text\",\"text\": {\"content\":\"【反馈提醒】我就是我, 是不一样的烟火\"}}");
System.out.println("post = " + post);
# form 请求
Map<String, Object> formParams = new HashMap<>(16);
formParams.put("username", "admin");
formParams.put("password", "admin123");
Response response = HttpUtil.postForm("http://192.168.1.13:9100/auth/login",
formParams
);
System.out.println("response = " + response);返回格式为JSON的 可以使用 HttpJsonUtil 自动返回JsonObject
JSONObject object=HttpJsonUtil.get("https://github.com/search",
Pair.of("q","http"),
Pair.of("username","agonie201218"));
System.out.println("object = "+object);文件上传
File file=new File("C:\\Users\\andanyang\\Downloads\\Sql.txt");
Map<String, Object> formParams=new HashMap<>();
formParams.put("key","test");
formParams.put("file",file);
formParams.put("token","WXyUseb-D4sCum-EvTIDYL-mEehwDtrSBg-Zca7t:qgOcR2gUoKmxt-VnsNb657Oatzo=:eyJzY29wZSI6InpoYW56aGkiLCJkZWFkbGluZSI6MTY2NTMwNzUxNH0=");
Response response=HttpUtil.upload("https://upload.qiniup.com/",formParams);
System.out.println(response);下载文件
HttpUtil.down("https://gitee.com/admin4j/common-http","path/");4
HttpRequest 链式请求# get
Response response=HttpRequest.get("https://search.gitee.com/?skin=rec&type=repository")
.queryMap("q","admin4j")
.header(HttpHeaderKey.USER_AGENT,"admin4j")
.execute();
System.out.println("response = "+response);
# post form
Response response=HttpRequest.get("http://192.168.1.13:9100/auth/login")
.queryMap("q","admin4j")
.header(HttpHeaderKey.USER_AGENT,"admin4j")
.form("username","admin")
.form("password","admin123")
.execute();
System.out.println("response = "+response);post form 日志
16:49:14.092[main]DEBUG io.github.admin4j.http.core.HttpLogger- -->GET http://192.168.1.13:9100/auth/login?q=admin4j http/1.1
16:49:14.094[main]DEBUG io.github.admin4j.http.core.HttpLogger-User-Agent:admin4j
16:49:14.094[main]DEBUG io.github.admin4j.http.core.HttpLogger-Host:192.168.1.13:9100
16:49:14.094[main]DEBUG io.github.admin4j.http.core.HttpLogger-Connection:Keep-Alive
16:49:14.094[main]DEBUG io.github.admin4j.http.core.HttpLogger-Accept-Encoding:gzip
16:49:14.094[main]DEBUG io.github.admin4j.http.core.HttpLogger- -->END GET
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-<--200OK http://192.168.1.13:9100/auth/login?q=admin4j (575ms)
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-transfer-encoding:chunked
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-Vary:Origin
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-Vary:Access-Control-Request-Method
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-Vary:Access-Control-Request-Headers
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-Vary:Origin
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-Vary:Access-Control-Request-Method
16:49:14.670[main]DEBUG io.github.admin4j.http.core.HttpLogger-Vary:Access-Control-Request-Headers
16:49:14.671[main]DEBUG io.github.admin4j.http.core.HttpLogger-Content-Type:application/json;charset=utf-8
16:49:14.671[main]DEBUG io.github.admin4j.http.core.HttpLogger-Date:Tue,08Nov 2022 08:49:14GMT
16:49:14.671[main]DEBUG io.github.admin4j.http.core.HttpLogger-
16:49:14.671[main]DEBUG io.github.admin4j.http.core.HttpLogger-{"code":406,"msg":"Full authentication is required to access this resource"}
16:49:14.671[main]DEBUG io.github.admin4j.http.core.HttpLogger-<--END HTTP(76-byte body)
response=Response{protocol=http/1.1,code=200,message=OK,url=http://192.168.1.13:9100/auth/login?q=admin4j}5
在 Springboot 中使用maven引入
<dependency>
<groupId>io.github.admin4j</groupId>
<artifactId>common-http-starter</artifactId>
<version>0.4.0</version>
</dependency>最新版查询 io.github.admin4j:common-http-starter
spring 版可以对 OkHttp进行个性化配置
配置详见
public class HttpConfig {
/**
* 日志等级
*/
private HttpLoggingInterceptor.Level loggLevel = HttpLoggingInterceptor.Level.BODY;
/**
* 读取超时时间，秒
*/
private long readTimeout = 30;
/**
* 链接超时时间
*/
private long connectTimeout = 30;
private boolean followRedirects = false;
/**
* 最大的连接数
*/
private int maxIdleConnections = 5;
/**
* 最大的kepAlive 时间 秒
*/
private long keepAliveDuration = 5;
private String userAgent = "OKHTTP";
/**
* 是否支持cookie
*/
private boolean cookie = false;
private ProxyConfig proxy;
@Data
public static class ProxyConfig {
private Proxy.Type type = Proxy.Type.HTTP;
private String host;
private Integer port = 80;
private String userName;
private String password;
}
}6
如何快速封装外部接口以实体项目为例，封装 ebay接口
public class EbayClient extends ApiJsonClient {
/**
* 店铺配置
*
* @param storeId
*/
public EbayClient(Long storeId) {
//TODO 获取店铺相关配置
Map<String, String> config = new HashMap<>();
basePath = "https://api.ebay.com";
defaultHeaderMap.put("Authorization", "Bearer " + config.get("accessToken"));
defaultHeaderMap.put("X-EBAY-C-MARKETPLACE-ID", config.get("marketplaceId"));
}
}EbayClient 封装ebay api请求 基础类
/**
* ebay 库存相关api
* @author andanyang
*/
public class EbayInventoryClient extends EbayClient {
/**
* 店铺配置
*
* @param storeId
*/
public EbayInventoryClient(Long storeId) {
super(storeId);
}
/**
* 库存列表
*
* @param limit
* @param offset
* @return
* @throws IOException
*/
public JSONObject inventoryItem(Integer limit, Integer offset) throws IOException {
Map<String, Object> queryMap = new HashMap(2);
queryMap.put("limit", limit);
queryMap.put("offset", offset);
return get("/sell/inventory/v1/inventory_item", queryMap);
}
}EbayInventoryClient 封装ebay 库存 api请求
使用
EbayInventoryClient ebayInventoryClient=new EbayInventoryClient(1L);
JSONObject jsonObject=ebayInventoryClient.inventoryItem(0,10);/**
* 订单相关api
* @author andanyang
*/
public class EbayOrderClient extends EbayClient {
/**
* 店铺配置
*
* @param storeId
*/
public EbayOrderClient(Long storeId) {
super(storeId);
}
/**
* 订单列表
*
* @param beginTime
* @param endTime
* @param limit
* @param offset
* @return
*/
public JSONObject orders(String beginTime, String endTime, int limit, int offset) {
final String path = "/sell/fulfillment/v1/order";
String filter = MessageFormat.format("lastmodifieddate:[{0}..{1}]", beginTime, endTime);
//
Map<String, Object> queryMap = new HashMap<>(8);
queryMap.put("filter", filter);
queryMap.put("limit", limit);
queryMap.put("offset", offset);
return get("/sell/inventory/v1/inventory_item", queryMap);
}
}库存相关的使用EbayInventoryClient，订单相关的使用EbayOrderClient，是不是很清晰
源码位置：https://github.com/admin4j/common-http
来源：andyoung.blog.csdn.net/article/details/127755025
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