先导下依赖
compile 'com.squareup.okhttp3:okhttp:3.6.0' compile 'com.squareup.okio:okio:1.11.0'dependencies { compile fileTree(dir: 'libs', include: ['*.jar']) compile 'com.squareup.okhttp3:okhttp:3.6.0' compile 'com.squareup.okio:okio:1.11.0' androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', { exclude group: 'com.android.support', module: 'support-annotations' })
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);}
/
* Caused by: android.os.NetworkOnMainThreadException
*
* 同步GET的意思是一直等待http请求, 直到返回了响应. 在这之间会阻塞进程,
* 所以通过get不能在Android的主线程中执行, 否则会报错
* @param view
*/
public void getTongBu(View view) {
new Thread(){
@Override
public void run() {
//1.创建一个okhttp客户端对象
OkHttpClient okHttpClient = new OkHttpClient();//2.创建一个请求的对象….默认就是get方式
Request request = new Request.Builder()
.url(“https://www.zhaoapi.cn/ad/getAd”)
.build();
//3.客户端要去调用一个请求的对象
Call call = okHttpClient.newCall(request);//4.执行….指定同步还是异步请求的方式….call.execute()同步的方式
try {
Response response = call.execute();if (response.isSuccessful()){
/
* * 响应体的 string() 方法对于小文档来说十分方便、高效。但是如果响应体太大（超过1MB），
* 应避免适应 string()方法 ，因为他会将把整个文档加载到内存中。
* 对于超过1MB的响应body，应使用流的方式来处理body。
*/
Log.i(“——“,response.body().string());//设置适配器….handler…runOnUiThread()
}
} catch (IOException e) {
e.printStackTrace();
}
}
}.start();}
public void getYiBu(View view) {
OkHttpClient okHttpClient = new OkHttpClient();
final Request request = new Request.Builder()
.url(“https://www.zhaoapi.cn/ad/getAd”)
.build();Call call = okHttpClient.newCall(request);
//指定call调用的方式
call.enqueue(new Callback() {
//失败
@Override
public void onFailure(Call call, IOException e) {
//打印异常的日志
e.printStackTrace();
}//服务器有响应….这个位置仍然是工作线程
@Override
public void onResponse(Call call, Response response) throws IOException {
if (response.isSuccessful()){
//response.body().string();
//java.lang.IllegalStateException: closed 非法状态异常:关闭…本次请求已经响应,,,关闭
Log.i(“——“,response.body().string());runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(MainActivity.this,”请求成功”,Toast.LENGTH_SHORT).show();
}
});}
}
});}
/
* post和get都有同步和异步的方式…..区别就在于call调用的方法不同
* @param view
*/
public void postYiBu(View view) {
OkHttpClient okHttpClient = new OkHttpClient();
//2.传递参数使用FormBody请求实体对象
FormBody formBody = new FormBody.Builder()
.add(“mobile”, “”)
.add(“password”, “”)
.build();//3.获取post方式的请求对象
Request request = new Request.Builder()
.post(formBody)
.url(“https://www.zhaoapi.cn/user/reg”)
.build();
//4.
Call call = okHttpClient.newCall(request);call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
e.printStackTrace();
}@Override
public void onResponse(Call call, final Response response) throws IOException {
if (response.isSuccessful()){
runOnUiThread(new Runnable() {
@Override
public void run() {
try {
Toast.makeText(MainActivity.this,response.body().string(),Toast.LENGTH_SHORT).show();
} catch (IOException e) {
e.printStackTrace();
}
}
});
}
}
});}
/
* java.io.FileNotFoundException: /storage/emulated/0/note01.md: open failed: EACCES (Permission denied)
* 文件未找到的异常….打开失败了….权限拒绝
*
* 6.0以后权限是运行时权限…
* ————1.把targetSdk版本改到23以下
* ————2.http://www.jianshu.com/p/a 使用运行时权限
*
* 图片:改变文件的类型,,,,在换掉一个支持图片上传的地址
*
* 多张图片…..循环上传
*
* @param view
*/
public void postShangChuan(View view) {
弹出框 支持sdk6.0以上 手机也是
//A.检查用户是否已经允许了权限….PackageManager.PERMISSION_GRANTED代表的是用户已经允许if (ContextCompat.checkSelfPermission(MainActivity.this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
//B.不允许…的时候,,,请求用户允许这个权限
// Activity arg0代表当前的activity, @NonNull String[] arg1请求的权限的数组,也就是需要请求允许哪些权限, int arg2请求码
ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 1001);}else {
//允许…上传文件
postFile();
}
private void postFile() {
//1.
OkHttpClient okHttpClient = new OkHttpClient();//2.指定文件的类型 image/jpg image/png video/mp4 …mimeType
MediaType mediaType = MediaType.parse(“text/x-markdown;charset=utf-8”);
//3.指定要上传的文件对象
File file = new File(Environment.getExternalStorageDirectory(),”note01.md”);Request request = new Request.Builder()
//上传文件的时候请求体使用RequestBody.create()获取okhttp3.MediaType contentType 文件的类型,@NotNull java.io.File file上传的文件对象
.post(RequestBody.create(mediaType, file))
.url(“https://api.github.com/markdown/raw”)
.build();//4.
Call call = okHttpClient.newCall(request);call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
e.printStackTrace();
}@Override
public void onResponse(Call call, final Response response) throws IOException {
if (response.isSuccessful()){
runOnUiThread(new Runnable() {
@Override
public void run() {
try {
Toast.makeText(MainActivity.this,response.body().string(),Toast.LENGTH_SHORT).show();
} catch (IOException e) {
e.printStackTrace();
}
}
});
}
}
});
}*/
上传头像—————————-
if (requestCode==222&&resultCode== Activity.RESULT_OK){ Bitmap data1 = data.getParcelableExtra("data"); imag.setImageBitmap(data1); }else if(requestCode==111&&resultCode== Activity.RESULT_OK){ // 相册中获取图片 Uri data1 = data.getData(); // 工具类 String realFilePath = ImageUtil.getRealFilePath(this, data1); File file=new File(realFilePath); imag.setImageURI(data1); getOkhttp(file); // 自己写的装换路劲 /* String[] proj = { MediaStore.Images.Media.DATA }; Cursor actualimagecursor = managedQuery(data1,proj,null,null,null); int actual_image_column_index = actualimagecursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA); actualimagecursor.moveToFirst(); String img_path = actualimagecursor.getString(actual_image_column_index); File file = new File(img_path); // Uri uri = Uri.fromFile(file); //将file类型转成uri if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, 1001); }else { //允许...上传文件 imag.setImageURI(data1); getOkhttp(file); LogUtils.d("TAG",file.getPath()+"kk--"); } */ } } public void getOkhttp(File file){ OkHttpClient okHttpClient = new OkHttpClient(); MultipartBody.Builder builder = new MultipartBody.Builder().setType(MultipartBody.FORM); //3.指定要上传的文件对象 // File file = new File(Environment.getExternalStorageDirectory(),"fruit8.jpg"); // Log.i("jiaaa","===="+file.getPath()); //参数名，，，参数，，，参数类型，，，路径 上传图片不能太大 是jpg 头像的图片后缀 builder.addFormDataPart("file", file.getName(), RequestBody.create(MediaType.parse("image/gif"), file)); MultipartBody requestBody = builder.build(); Request request = new Request.Builder() .post(requestBody)//请求体 .url("https://www.zhaoapi.cn/file/upload?uid=4434&file="+file.getPath())//指定路径 .build();//启动 Call call = okHttpClient.newCall(request); call.enqueue(new Callback() { @Override public void onFailure(Call call, IOException e) { e.printStackTrace(); } @Override public void onResponse(Call call, final Response response) throws IOException { if (response.isSuccessful()){ final String string = response.body().string(); runOnUiThread(new Runnable() { @Override public void run() { LogUtils.d("TAG",string+"ee--"); } }); } } });
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