springMVC远程接口开发
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2022-05-28 09:49:54
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import java.io.IOException;
import java.io.PrintWriter;
import java.math.BigDecimal;
import java.util.List;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import com.alibaba.fastjson.JSONObject;
/**
* 安卓端订单管理
*
* @author CNZZ
*
*/
@Controller
@RequestMapping("/AndroidOrderManage")
public class AndroidOrderManageController {
private static Logger log = LoggerFactory
.getLogger(AndroidOrderManageController.class);
@Resource
AndroidOrderManageService androidOrderManageService;
/**
* 安卓端订单创建
*
* @param request
* @param response
* @return
* @throws Exception
*/
@RequestMapping("/createOrder")
public void createOrder(HttpServletRequest request,
HttpServletResponse response) throws Exception {
JSONObject jsonObject = new JSONObject();
try {
// 1.入参打印
String requestJSONStr = request.getParameter("requestJSONStr");
log.info("安卓端订单创建,requestJSONStr={}", requestJSONStr);
// 2.入参非空校验
if (CmUtil.isEmpty(requestJSONStr)) {
jsonObject.put("code", "-1");
jsonObject.put("result", "");
jsonObject.put("messages", "请求参数为空!");
log.error("安卓端订单创建,请求参数为空,requestJSONStr={}", requestJSONStr);
doResponse(response, jsonObject.toJSONString());
return;
}
// 3.业务方法
String orderNum = doCreateOrder(response, jsonObject,
requestJSONStr);
if (CmUtil.isEmpty(orderNum)) {
return;
}
// 7.响应
JSONObject result = new JSONObject();
result.put("requestJSONStr", requestJSONStr);
result.put("orderNum", orderNum);
jsonObject.put("code", "000000");
jsonObject.put("result", result);
jsonObject.put("messages", "交易成功");
doResponse(response, jsonObject.toJSONString());
} catch (Exception e) {
jsonObject.put("code", "-1");
jsonObject.put("result", "");
jsonObject.put("messages", "系统异常!");
log.error("安卓端订单创建,系统异常,e={}", e);
doResponse(response, jsonObject.toJSONString());
}
}
/**
* 响应
*
* @param response
* @param outputStr
*/
private void doResponse(HttpServletResponse response, String outputStr) {
response.setContentType("application/json");
PrintWriter out = null;
try {
out = response.getWriter();
out.write(outputStr);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} finally {
out.flush();
out.close();
}
}
}
其中部分方法和包导入删除过了,为了让流程更加清晰。
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