文件上传及下载开发完成

webapp

2019-10-02 22df9eba843e23701f150cf02dacd2dd050c1c6b

 WebService/src/main/java/com/java110/web/controller/CallComponentController.java

@@ -16,6 +16,7 @@
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;
@@ -141,6 +142,57 @@
    }

    /**
     * 调用组件 文件上传
     * /callComponent/upload/assetImport/importData
     *
     * @return
     */

    @RequestMapping(path = "/callComponent/download/{componentCode}/{componentMethod}")
    public ResponseEntity<Object> callComponentDownloadFile(
            @PathVariable String componentCode,
            @PathVariable String componentMethod,
            HttpServletRequest request,
            HttpServletResponse response) {
        ResponseEntity<Object> responseEntity = null;
        Map formParam = null;
        IPageData pd = null;
        try {
            Assert.hasLength(componentCode, "参数错误，未传入组件编码");
            Assert.hasLength(componentMethod, "参数错误，未传入调用组件方法");

            Object componentInstance = ApplicationContextFactory.getBean(componentCode);

            Assert.notNull(componentInstance, "未找到组件对应的处理类，请确认 " + componentCode);

            Method cMethod = componentInstance.getClass().getDeclaredMethod(componentMethod, IPageData.class);

            Assert.notNull(cMethod, "未找到组件对应处理类的方法，请确认 " + componentCode + "方法：" + componentMethod);
            pd = freshPageDate(request);
            responseEntity = (ResponseEntity<Object>) cMethod.invoke(componentInstance, pd);

        } catch (SMOException e) {
            logger.error("组件运行异常",e);
            responseEntity = new ResponseEntity<Object>(e.getMessage(), HttpStatus.INTERNAL_SERVER_ERROR);
        } catch (Exception e) {
            logger.error("组件运行异常",e);
            String msg = "";
            if (e instanceof InvocationTargetException) {
                Throwable targetEx = ((InvocationTargetException) e).getTargetException();
                if (targetEx != null) {
                    msg = targetEx.getMessage();
                }
            } else {
                msg = e.getMessage();
            }
            responseEntity = new ResponseEntity<Object>(msg, HttpStatus.INTERNAL_SERVER_ERROR);
        } finally {
            logger.debug("组件调用返回信息为{}", responseEntity);
            return responseEntity;
        }
    }

    /**
     * 刷新 pd 对象
     *
     * @param request HttpServletRequest 对象