Spring学习笔记1

RequestAttributes ra = RequestContextHolder.getRequestAttributes();

//获取resquest对象

HttpServletRequest request = ((ServletRequestAttributes)ra).getRequest();

//获取session()

request.getSession().setAttribute("sessionMessage", "im'sessionMessage!");

//获取文件路径

String serverRealPath = application.getRealPath("/file");

//restful 初探

@RequestMapping("/file")

@Controller

public class FileHandler {

public FileHandler() {

System.out.println("file create ");

}

@ResponseBody

@RequestMapping(method = RequestMethod.POST)

public KitFile create(@RequestParam String type, @RequestParam MultipartFile[] files) {

System.out.println();

System.out.println("sdsd");

return new KitFile();

}

@ResponseBody

@RequestMapping(value = "/{id}", method = RequestMethod.GET)

public String show(@PathVariable String id) {

System.out.println("sdsd");

return "ss";

}

@ResponseBody

@RequestMapping(value = "/{id}/{str}", method = RequestMethod.GET)

public KitFile index(@PathVariable("id") String id, @PathVariable("str") String str) {

System.out.println("sdsd" + id);

return new KitFile();

}

@ResponseBody

@RequestMapping(value = "/{id}/{str}", method = RequestMethod.PUT)

public KitFile update(@PathVariable("id") String id) {

System.out.println("sdsd" + id);

return new KitFile();

}

@ResponseBody

@RequestMapping(value = "/{id}", method = RequestMethod.DELETE)

public KitFile delete(@PathVariable("id") String id) {

System.out.println("sdsd" + id);

return new KitFile();

}

}

public
void testAdd() throws Exception {

//
HttpPost httpPost = new HttpPost("http://localhost:8080/springmvc-2/file");

HttpPost
httpPost = new HttpPost("http://localhost:8080/ifile/file");

MultipartEntityBuilder
builder = MultipartEntityBuilder.create();

CloseableHttpClient
client = HttpClients.createDefault();

try {

builder.setCharset(Charset.forName("utf-8"));

builder.setMode(HttpMultipartMode.BROWSER_COMPATIBLE);//
设置浏览器兼容模式

FileBody
fileBody = new FileBody(new File("d:\\test\\3.jpg"));

FileBody
fileBody2 = new FileBody(new File("d:\\test\\2.jpg"));

//
builder.addPart("file", fileBody);

builder.addPart("files",
fileBody2);



//
builder.addTextBody("_id", "1asdasd", ContentType.APPLICATION_JSON);//添加不了

builder.addTextBody("type",
"apk", ContentType.DEFAULT_TEXT);

//
builder.addTextBody("name", "aaa", ContentType.APPLICATION_JSON);

//
builder.addTextBody("describle", "你好", ContentType.APPLICATION_JSON);

//
builder.addTextBody("time", "2012-02-20 12:11:33", ContentType.APPLICATION_JSON);

HttpEntity
entity = builder.build();

httpPost.setEntity(entity);

String retData
= "";

HttpResponse
response = client.execute(httpPost);

if (response.getStatusLine().getStatusCode()
== 200) {

HttpEntity
httpEntity = response.getEntity();

if (httpEntity
!= null) {

retData =
EntityUtils.toString(httpEntity);

System.out.println(retData);

}

} else {

throw new
Exception("Connected Exception");

}

} catch (Exception
e) {

e.printStackTrace();

} finally
{

try {

client.close();

} catch (IOException
e) {

e.printStackTrace();

}

}

}

public void testget() throws Exception {

HttpClient client = new DefaultHttpClient();

// HttpGet httpGet = new HttpGet("http://localhost:8080/springmvc-2/file/safsad");

HttpGet httpGet = new HttpGet("http://localhost:8080/ifile/file/22");

// HttpGet httpGet = new HttpGet("http://localhost:8080/ifile/file/22/ss=111");

HttpResponse response = client.execute(httpGet);

client.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 30000);

client.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT, 30000);

StringBuilder builder = new StringBuilder();

if (response.getStatusLine().getStatusCode() == 200) {

// 获取响应内容

BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent()));

for (String s = reader.readLine(); s != null; s = reader.readLine()) {

builder.append(s);

}

}

httpGet.abort();

System.out.println(builder.toString());

}