对Okhttp3进行二次封装,对外提供了POST请求、GET请求、PATCH请求、PUT请求、DELETE请求、上传文件、下载文件、取消请求、Raw/Json/Gson返回、后台下载管理等功能.
以项目是根据 https://github.com/tsy12321/MyOkHttp.git 项目修改而来。原项目主要用于Android处理。本项目主要用于Java后端。再次特意感谢 tsy12321
- POST请求
- GET请求
- PATCH请求
- PUT请求
- DELETE请求
- 上传文件
- 下载文件
- 断点续传
在pom.xml中引用依赖:
<dependency>
<groupId>com.xwc1125.chain5j</groupId>
<artifactId>OkHttpX</artifactId>
<version>1.0.0</version>
</dependency>
在项目入口创建唯一OkHttpX实例
OkHttpX mOkhttpX = new OkHttpX();
也可以自行配置OkhttpClient.
OkHttpClient okHttpClient = new OkHttpClient.Builder()
.connectTimeout(10000L, TimeUnit.MILLISECONDS)
.readTimeout(10000L, TimeUnit.MILLISECONDS)
//其他配置
.build();
OkHttpX mOkHttpX = new OkHttpX(okHttpClient);
整个调用采用链式调用的方式. 方便以后扩展.
现在有Get, Post, Patch, Put, Delete, Upload, Download 这些请求方式
添加参数可以使用addParam一个个添加, 也可以使用params一次性添加
添加参数可以使用addHeader一个个添加, 也可以使用headers一次性添加
现在回调格式有以下几种:
- Raw原生数据 RawResponseHandler
- Json JsonResponseHandler
- Gson GsonResponseHandler
kv参数
String url = "http://192.168.2.135/okhttpx/post.php";
Map<String, String> params = new HashMap<>();
params.put("name", "tsy");
params.put("age", "24");
mOkHttpX.post()
.url(url)
.params(params)
.tag(this)
.enqueue(new JsonResponseHandler() {
@Override
public void onSuccess(int statusCode, JSONObject response) {
Log.d(TAG, "doPost onSuccess JSONObject:" + response);
}
@Override
public void onSuccess(int statusCode, JSONArray response) {
Log.d(TAG, "doPost onSuccess JSONArray:" + response);
}
@Override
public void onFailure(int statusCode, String error_msg) {
Log.d(TAG, "doPost onFailure:" + error_msg);
}
});
json参数
String url = "http://192.168.2.135/okhttpx/post_json.php";
JSONObject jsonObject = new JSONObject();
try {
jsonObject.put("name", "tsy");
jsonObject.put("age", 24);
jsonObject.put("type", "json");
} catch (JSONException e) {
e.printStackTrace();
}
mOkHttpX.post()
.url(url)
.jsonParams(jsonObject.toString()) //与params不共存 以jsonParams优先
.tag(this)
.enqueue(new JsonResponseHandler() {
@Override
public void onSuccess(int statusCode, JSONObject response) {
Log.d(TAG, "doPostJSON onSuccess JSONObject:" + response);
}
@Override
public void onSuccess(int statusCode, JSONArray response) {
Log.d(TAG, "doPostJSON onSuccess JSONArray:" + response);
}
@Override
public void onFailure(int statusCode, String error_msg) {
Log.d(TAG, "doPostJSON onFailure:" + error_msg);
}
});
String url = "http://192.168.2.135/okhttpx/get.php";
mOkHttpX.get()
.url(url)
.addParam("name", "tsy")
.addParam("id", "5")
.tag(this)
.enqueue(new RawResponseHandler() {
@Override
public void onSuccess(int statusCode, String response) {
Log.d(TAG, "doGet onSuccess:" + response);
}
@Override
public void onFailure(int statusCode, String error_msg) {
Log.d(TAG, "doGet onFailure:" + error_msg);
}
});
String url = "http://192.168.2.135/okhttpx/patch.php/id/5/name/tsy";
mOkHttpX.patch()
.url(url)
.tag(this)
.enqueue(new JsonResponseHandler() {
@Override
public void onSuccess(int statusCode, JSONObject response) {
Log.d(TAG, "doPatch onSuccess:" + response);
}
@Override
public void onFailure(int statusCode, String error_msg) {
Log.d(TAG, "doPatch onFailure:" + error_msg);
}
});
String url = "http://192.168.2.135/okhttpx/put.php/id/5/name/tsy/age/15";
mOkHttpX.put()
.url(url)
.tag(this)
.enqueue(new JsonResponseHandler() {
@Override
public void onSuccess(int statusCode, JSONObject response) {
Log.d(TAG, "doPut onSuccess:" + response);
}
@Override
public void onFailure(int statusCode, String error_msg) {
Log.d(TAG, "doPut onFailure:" + error_msg);
}
});
String url = "http://192.168.2.135/okhttpx/delete.php/id/5";
mOkHttpX.delete()
.url(url)
.tag(this)
.enqueue(new JsonResponseHandler() {
@Override
public void onSuccess(int statusCode, JSONObject response) {
Log.d(TAG, "doDelete onSuccess:" + response);
}
@Override
public void onFailure(int statusCode, String error_msg) {
Log.d(TAG, "doDelete onFailure:" + error_msg);
}
});
String url = "http://192.168.2.135/okhttpx/upload.php";
mOkHttpX.upload()
.url(url)
.addParam("name", "tsy")
.addFile("avatar",
new File(Environment.getExternalStorageDirectory()
+ "/ahome/sasas.jpg")) //上传已经存在的File
// .addFile("avatar2", "asdsda.png", byteContents) //直接上传File bytes
.tag(this)
.enqueue(new GsonResponseHandler<UploadModel>() {
@Override
public void onFailure(int statusCode, String error_msg) {
Log.d(TAG, "doUpload onFailure:" + error_msg);
}
@Override
public void onProgress(long currentBytes, long totalBytes) {
Log.d(TAG, "doUpload onProgress:" + currentBytes + "/" + totalBytes);
}
@Override
public void onSuccess(int statusCode, UploadModel response) {
Log.d(TAG, "doUpload onSuccess:" + response.ret + " " + response.msg);
}
});
String url = "http://192.168.2.135/okhttpx/head.jpg";
mOkHttpX.download()
.url(url)
.filePath(Environment.getExternalStorageDirectory() + "/ahome/a.jpg")
.tag(this)
.enqueue(new DownloadResponseHandler() {
@Override
public void onStart(long totalBytes) {
Log.d(TAG, "doDownload onStart");
}
@Override
public void onFinish(File downloadFile) {
Log.d(TAG, "doDownload onFinish:");
}
@Override
public void onProgress(long currentBytes, long totalBytes) {
Log.d(TAG, "doDownload onProgress:" + currentBytes + "/" + totalBytes);
}
@Override
public void onFailure(String error_msg) {
Log.d(TAG, "doDownload onFailure:" + error_msg);
}
});
mOkHttpX.cancel(this); //tag 即之前请求时传入的tag 建议直接将页面作为object传入
实现了下载管理的核心逻辑,包括添加下载任务、开始任务、暂停任务、删除任务、任务下载等待、下载进度和状态监听等功能。依赖于MyOkhttp
项目中创建DownloadMgr继承AbstractDownloadMgr,并实现下载任务的状态,进度的本地持久化保存。(AbstractDownloadMgr只负责在内存中存储所有任务, 需要项目自行实现本地持续化存储,重新进入App后的任务恢复等)
示例:
public class DownloadMgr extends AbstractDownloadMgr {
private DownloadMgr(Builder builder) {
super(builder);
}
/**
* 恢复所有未完成的任务
*/
@Override
public void resumeTasks() {
if(DEBUG) {
Log.i(TAG, "start resumeTasks");
}
//获取所有未完成的任务(已完成的不需要添加)
DownloadContract.Interactor downloadInteractor = new DownloadInteractor();
ArrayList<Task> tasks = downloadInteractor.parseTask(downloadInteractor.getAllUnfinishedDownloadTasks());
//将任务加到下载管理队列中
if(tasks != null && tasks.size() > 0) {
for(int i = 0; i < tasks.size(); i ++) {
Task task = tasks.get(i);
task.setDefaultStatus(DEFAULT_TASK_STATUS_PAUSE); //所有任务初始设置为暂停
addTask(tasks.get(i));
}
downloadInteractor.pauseAllTask();
}
}
/**
* 保存进度
* @param taskId taskId
* @param currentBytes 已经下载的bytes
* @param totalBytes 总共bytes
*/
@Override
protected void saveProgress(String taskId, long currentBytes, long totalBytes) {
DownloadContract.Interactor downloadInteractor = new DownloadInteractor();
downloadInteractor.updateProgress(taskId, currentBytes, totalBytes);
}
/**
* 下载任务开始
* @param taskId task id
*/
@Override
protected void onTaskStart(String taskId) {
DownloadContract.Interactor downloadInteractor = new DownloadInteractor();
downloadInteractor.startTask(taskId);
}
/**
* 下载任务暂停
* @param taskId task id
*/
@Override
protected void onTaskPause(String taskId) {
DownloadContract.Interactor downloadInteractor = new DownloadInteractor();
downloadInteractor.pauseTask(taskId);
}
/**
* 下载任务完成
* @param taskId task id
*/
@Override
protected void onTaskFinish(String taskId) {
DownloadContract.Interactor downloadInteractor = new DownloadInteractor();
downloadInteractor.finishTask(taskId);
}
/**
* 下载任务失败
* @param taskId task id
*/
@Override
protected void onTaskFail(String taskId) {
//失败设置为暂停 允许用户再次尝试开始
DownloadContract.Interactor downloadInteractor = new DownloadInteractor();
downloadInteractor.pauseTask(taskId);
}
//实现Builder
public static class Builder extends AbstractDownloadMgr.Builder {
@Override
public AbstractDownloadMgr build() {
return new DownloadMgr(this);
}
}
}
mDownloadMgr = (DownloadMgr) new DownloadMgr.Builder()
.myOkHttp(mOkHttpX)
.maxDownloadIngNum(5) //设置最大同时下载数量(不设置默认5)
.saveProgressBytes(50 * 1024) //设置每50kb触发一次saveProgress保存进度 (不能在onProgress每次都保存 过于频繁) 不设置默认50kb
.build();
mDownloadMgr.resumeTasks();
DownloadMgr.Task task = new DownloadMgr.Task();
task.setTaskId(mDownloadMgr.genTaskId()); //生成一个taskId
task.setUrl("xxxxx"); //下载地址
task.setFilePath("xxxxxxx"); //下载后文件保存位置
task.setCompleteBytes(1234L); //设置已完成的bytes (用于恢复任务时添加,如果新添加的任务不需要设置该字段)
task.setDefaultStatus(DownloadMgr.DEFAULT_TASK_STATUS_START); //任务添加后开始状态 如果不设置 默认任务添加后就自动开始
mDownloadMgr.addTask(task);
mDownloadMgr.startTask("taskId");
mDownloadMgr.pauseTask("taskId");
PS:不要使用匿名类,会造成内存泄露。在onStart或者onResume时初始化监听,在onStop或者onPause时销毁监听
@Override
public void onResume() {
super.onResume();
//每次显示页面的时候加上监听
mDownloadTaskListener = new DownloadTaskListener() {
@Override
public void onStart(String taskId, long completeBytes, long totalBytes) {
//开始下载
}
@Override
public void onProgress(String taskId, long currentBytes, long totalBytes) {
//下载进度
//建议使用handler延迟刷新下载进度 不然过于频繁刷新
if(!mMyHandler.hasMessages(MSG_DELAY_NOTIFICAION)) {
Message message = new Message();
message.what = MSG_DELAY_NOTIFICAION;
mMyHandler.sendMessageDelayed(message, 300);
}
}
@Override
public void onPause(String taskId, long currentBytes, long totalBytes) {
//下载暂停
}
@Override
public void onFinish(String taskId, File file) {
//下载完成
}
@Override
public void onFailure(String taskId, String error_msg) {
//下载失败
}
};
//加入监听
mDownloadMgr.addListener(mDownloadTaskListener);
}
@Override
public void onPause() {
//释放监听 防止内存泄露
mDownloadMgr.removeListener(mDownloadTaskListener);
mDownloadTaskListener = null;
super.onPause();
}
/**
* 初始进入app 恢复所有未完成的任务
*/
void resumeTasks()
/**
* 添加下载任务
* @param task Task
*/
DownloadTask addTask(Task task)
/**
* 开始任务
* @param taskId task id
*/
void startTask(String taskId)
/**
* 开始所有任务
*/
void startAllTask()
/**
* 暂停任务
* @param taskId task id
*/
void pauseTask(String taskId)
/**
* 暂停所有任务
*/
void pauseAllTask()
/**
* 删除任务
* @param taskId 任务id
*/
void deleteTask(String taskId)
/**
* 添加下载监听
* @param downloadTaskListener
*/
void addListener(DownloadTaskListener downloadTaskListener)
/**
* 移除下载监听
* @param downloadTaskListener
*/
void removeListener(DownloadTaskListener downloadTaskListener)
/**
* 生成taskId yyyyMMddHHmmss+3位随机数字
* @return
*/
String genTaskId()
/**
* 获取当前任务的下载任务信息
* @param taskId 任务id
* @return
*/
DownloadTask getDownloadTask(String taskId)
public class DownloadStatus {
STATUS_DEFAULT(-1, "初始状态"),
STATUS_WAIT(0, "队列等待中"),
STATUS_PAUSE(1, "暂停"),
STATUS_DOWNLOADING(2, "下载中"),
STATUS_FINISH(3, "下载完成"),
STATUS_FAIL(4, "下载失败");
}
public interface DownloadTaskListener {
/**
* 任务开始
* @param taskId task id
* @param completeBytes 断点续传 已经完成的bytes
* @param totalBytes total bytes
*/
void onStart(String taskId, long completeBytes, long totalBytes);
/**
* 任务下载中
* @param taskId task id
* @param currentBytes 当前已经下载的bytes
* @param totalBytes total bytes
*/
void onProgress(String taskId, long currentBytes, long totalBytes);
/**
* 任务暂停
* @param taskId task id
* @param currentBytes 当前已经下载的bytes
* @param totalBytes total bytes
*/
void onPause(String taskId, long currentBytes, long totalBytes);
/**
* 任务完成
* @param taskId task id
* @param file 下载完成后的file
*/
void onFinish(String taskId, File file);
/**
* 任务失败
* @param taskId task id
* @param error_msg error_msg
*/
void onFailure(String taskId, String error_msg);
}