package com.alibaba.alpha.download;
import com.alibaba.alpha.mapper.UiTestCaseMapper;
import com.alibaba.alpha.model.UiTestCase;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.GetMapping;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.net.URLEncoder;
@Controller
public class DownloadController {
@Autowired
UiTestCaseMapper uiTestCaseMapper;
/**
* /downloadTestCase?testCaseId=${testCaseId}
*
* @param testCaseId
* @param response
* @throws Exception
*/
@GetMapping("/downloadTestCase")
public void downloadTestCase(Long testCaseId, HttpServletResponse response) throws Exception {
// 1.用例數據
UiTestCase UiTestCase = uiTestCaseMapper.selectByPrimaryKey(testCaseId);
String tcName = UiTestCase.getName();
// 2.文件存放路徑
String tmpDir = System.getProperty("user.home") + "/sidejson/";
File tmpDirFile = new File(tmpDir);
if (!tmpDirFile.exists()) {
tmpDirFile.mkdir();
}
// 3.sideJson 文件
String fileName = tmpDir + tcName;
File sideJsonFile = new File(fileName);
if (!sideJsonFile.exists()) {
sideJsonFile.createNewFile();
}
FileWriter fileWritter = new FileWriter(fileName, true);
fileWritter.write(UiTestCase.getSideJson());
fileWritter.close();
// 配置文件下載
response.setHeader("content-type", "application/octet-stream");
response.setContentType("application/octet-stream");
// 下載文件能正常顯示中文, 可以導入 iRecorder Web IDE中的 .side 文件
String filename = URLEncoder.encode(tcName + ".side", "UTF-8");
response.setHeader("Content-Disposition", "attachment;filename=" + filename);
// 實現文件下載
byte[] buffer = new byte[1024];
FileInputStream fis = null;
BufferedInputStream bis = null;
try {
fis = new FileInputStream(sideJsonFile);
bis = new BufferedInputStream(fis);
OutputStream os = response.getOutputStream();
int i = bis.read(buffer);
while (i != -1) {
os.write(buffer, 0, i);
i = bis.read(buffer);
}
System.out.println("Download successfully! " + fileName);
} catch (Exception e) {
System.out.println("Download failed! " + fileName);
e.printStackTrace();
} finally {
if (bis != null) {
try {
bis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
if (fis != null) {
try {
fis.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
完整的 Spring Boot 下載文件示例代碼
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