README.md · yacongliu/api

# api

系统集成现阶段采用的较多的是基于Http+Json方式进行数据交互。本文将介绍的就是基于httpclient技术进行封装的SDK，方便日后其余项目的接口集成开发。

## 技术选型

java  httpclient

## 环境

jdk1.8 httpclient-4.5.4.jar httpcore-4.4.8.jar httpmime-4.5.4.jar log4j-1.2.17.jar self4j-api-1.7.25.jar slf4j-log4j12-1.7.25.jar commons-lang-2.6.jar commons-logging.jar

## 核心类

- GatewayAuth 基于HttpHelper类抽取出的常用方法
![输入图片说明](https://app.yinxiang.com/shard/s2/res/db829fb9-ac36-405a-85f7-ccf3743b5553.png "在这里输入图片标题")

```
public class GatewayAuth {
      private static final String APPLICATION_JSON = "application/json";
      private static final String APPLICATION_X_WWW_FORM_URLENCODED =  "application/x-www-form-urlencoded";
      private static final int timeoutMillis = 60000;
      public static String gatewayGet(String url) throws Exception {
            Map headers = new HashMap(1);
            return HttpHelper.get(url);
      }
      public static String gatewayPost(String url, Map param) throws  Exception {
            Map headers = new HashMap(1);
            headers.put("Content-Type",  "application/x-www-form-urlencoded");
            return HttpHelper.post(headers, param, url, 60000);
      }
      public static String gatewayPostJson(String url, String param)  throws Exception {
            Map headers = new HashMap(1);
            headers.put("Content-Type", "application/json");
            return HttpHelper.post(headers, param, url, 60000);
      }
}
```

- HttpHelper httpclient请求工具类

![输入图片说明](https://app.yinxiang.com/shard/s2/res/81a616b8-7124-4aa5-b5af-f770817b4771.png "在这里输入图片标题")

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