Retrofit之表单提交、多文件上传

奉上源码 - MvpApp，如果发现那里写的不对的，请好心人直接指出，我会努力去改正的。
主要包括：

简单的 get post请求、
统一请求头处理、
统一请求行
统一请求体处理、
单文件上传、
多文件上传、
一个key对用多个文件、
支持String转换器不强制使用Gson转换器、

使用介绍 - get请求

路径替换


 (1) 路径替换
 主域名 http://api.qianguan360.com/service/
 接口地址 homePhone/loginPhone/
 登录接口 http://api.qianguan360.com/service/homePhone/loginPhone/13146008029-123456
 {} 用花括号包裹的是动态字符串 用@Path进行注解，参数名字必须一致
 @GET("homePhone/loginPhone/{phone}-{pwd}")
 Observable loginQg(@Path("phone") String phone, @Path("pwd") String pwd);

添加请求行


 主域名 http://192.168.4.39:8080/AlexApp/
 接口地址 login
 登陆接口 http://192.168.4.39:8080/AlexApp/login?phone=13146008025&pwd=123456
 key要和服务器的一致
 @GET("login")
 Observable loginGet1(@Query("phone") String phone, @Query("pwd") String pwd);

添加请求行


 主域名 http://192.168.4.39:8080/AlexApp/
 接口地址 login
 登陆接口 http://192.168.4.39:8080/AlexApp/login?phone=13146008025&pwd=123456
 key要和服务器的一致
 @GET("login")
 Observable loginGet2(@QueryMap Map params);

使用介绍 - post请求


 主域名 http://192.168.4.39:8080/AlexApp/
 接口地址 login
 登陆接口 http://192.168.191.3:4477/AlexApp/login
 提交参数 phone pwd userLogo

map方式提交


 key要和服务器的一致
 @POST("login")
 Observable login(@Body Map params);

bean 方式提交


 成员变量名要和后台一致
 @POST("login")
 Observable login(@Body UserBean bean);

多参数表单提交


 key要和服务器的一致
 @FormUrlEncoded
 @POST("login")
 Observable login(@Field("phone") String phone, @Field("pwd") String pwd);

单文件上传


 key要和服务器的一致
 @Multipart
 @POST("upload")
 Observable upLoad(@Part MultipartBody.Part userLogo, @Part("phone") RequestBody phoneBody, @Part("pwd") RequestBody pwdBody);
 MultipartBody.Part userLogo

 RequestBody photoRequestBody = RequestBody.create(MediaType.parse("image/png"), file);
 MultipartBody.Part photo = MultipartBody.Part.createFormData("photo", file.getName(), photoRequestBody); 
    
RequestBody phoneBody

 RequestBody phoneBody = RequestBody.create(MediaType.parse("text/plain"), phone);
 或者
 RequestBody phoneBody = RequestBody.create(null, phone);

一个key对应多个文件上传


 key要和服务器的一致 
    @Multipart
 @POST("upload")
 Observable upLoad2(@PartMap Map params);
 

 Map paramsMap = new HashMap<>();
 for (int i = 0; i < fileList.size(); i++) {
 File file = fileList.get(i);
 RequestBody fileBody = RequestBody.create(MediaType.parse("image/png"), fileList.get(i));
 paramsMap.put("userLogo"; filename=""+file.getName()+".png", fileBody);
 }

后端代码

Paste_Image.png

汤姆猫写到 E盘，好心人士如果发现我写错了，请告诉我。谢谢

Paste_Image.png

添加统一请求头


 OkHttpClient okHttpClient = OkHttpUtil.getInstance().
 headParams(new HeadParams()
 .addHeader("phoneNum", "13146008029")
 .addHeader("uuid", DeviceUtil.getSafeDeviceSoleId(App.getApp())))
 .build();

添加统一请求体


 OkHttpClient okHttpClient = OkHttpUtil.getInstance().
 headParams(new StringParams()
 .addHeader("phoneNum", phone)
 .addHeader("uuid", DeviceUtil.getSafeDeviceSoleId(App.getApp()))
 .addBody("body0","body0")
 .addBody("body1","body1"))
 .level(HttpLoggingInterceptor.Level.BODY)
 .build();

使用String转换器


 Retrofit retrofit = new Retrofit.Builder().baseUrl(HttpMan.doMainApi).client(okHttpClient)
 .addConverterFactory(StringConverterFactory.create())//添加 String 转换器
 .addCallAdapterFactory(RxJavaCallAdapterFactory.create())//添加 RxJava 适配器
 .build();

OkHttpUtil.build()方法


 package github.alex.okhttp; 
    import android.util.Log; 
    import java.io.File;
 import java.io.IOException;
 import java.util.Iterator;
 import java.util.Map;
 import java.util.concurrent.TimeUnit; 
    import okhttp3.Cache;
 import okhttp3.FormBody;
 import okhttp3.Interceptor;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
 import okhttp3.RequestBody;
 import okhttp3.Response;
 import okhttp3.logging.HttpLoggingInterceptor; 
    /**
 * Created by alex on 2016/6/22.
 * OkHttpUtil for Retrofit
 */
 public class OkHttpUtil {
 private static OkHttpUtil instance;
 private static final String TAG = "#日志拦截器#";
 private boolean debug = true;
 private HttpLoggingInterceptor.Logger logInterceptor;
 private StringParams headParams;
 private long connectTimeout;
 private long readTimeout;
 private long writeTimeout;
 private boolean retryOnConnectionFailure;
 private File cacheDir;
 private long cacheMaxSize;
 private HttpLoggingInterceptor.Level level;
 private String method;
 private OkHttpUtil() {
 cacheMaxSize = 1024 * 1024 * 100;
 level = HttpLoggingInterceptor.Level.BASIC;
 debug = true;
 method = "POST";
 }
 /**
 * 单例模式 获取 OkHttpUtil
 */
 public static OkHttpUtil getInstance() {
 if (instance == null) {
 synchronized (OkHttpUtil.class) {
 instance = (instance == null) ? new OkHttpUtil() : instance;
 }
 }
 return instance;
 } 
    /\*\*
 \* 设置 日志 拦截器
 \*/
public OkHttpUtil httpLoggingInterceptor(HttpLoggingInterceptor.Logger logInterceptor) {
    this.logInterceptor = logInterceptor;
    return this;
}

/\*\*
 \* 设置请求头
 \*/
public OkHttpUtil headParams(StringParams headParams) {
    this.headParams = headParams;
    return this;
}

/\*\*
 \* 设置连接超时时间
 \*/
public OkHttpUtil connectTimeout(long connectTimeout) {
    this.connectTimeout = connectTimeout;
    return this;
}

/\*\*
 \* 设置读取超时时间
 \*/
public OkHttpUtil readTimeout(long readTimeout) {
    this.readTimeout = readTimeout;
    return this;
}

/\*\*
 \* 设置写入超时时间
 \*/
public OkHttpUtil writeTimeout(long writeTimeout) {
    this.writeTimeout = writeTimeout;
    return this;
}

/\*\*
 \* 连接失败自动重试
 \*/
public OkHttpUtil retryOnConnectionFailure(boolean retryOnConnectionFailure) {
    this.retryOnConnectionFailure = retryOnConnectionFailure;
    return this;
}

/\*\*
 \* 设置缓存路径
 \*/
public OkHttpUtil cacheDir(File cacheDir) {
    this.cacheDir = cacheDir;
    return this;
}

/\*\*
 \* 设置缓存大小
 \*/
public OkHttpUtil cacheMaxSize(long cacheMaxSize) {
    this.cacheMaxSize = cacheMaxSize;
    return this;
}

/\*\*设置log的等级\*/
public OkHttpUtil level(HttpLoggingInterceptor.Level level){
    this.level = level;
    return this;
}
/\*\*设置处于 debug \*/
public OkHttpUtil debug(boolean debug){
    this.debug = debug;
    return this;
}

/\*\*设置请求方法\*/
public OkHttpUtil method(String method){
    this.method = method;
    return this;
}
/\*\*
 \* 得到 OkHttpClient 对象
 \*/
public OkHttpClient build() {
    OkHttpClient.Builder builder = new OkHttpClient.Builder();
    if (debug) {
        // Log信息拦截器
        HttpLoggingInterceptor loggingInterceptor = new HttpLoggingInterceptor(new HttpLoggingInterceptor.Logger() {
            @Override
            public void log(String message) {
                Log.e(TAG, message);
                if (logInterceptor != null) {
                    logInterceptor.log(message);
                }
            }
        });
        loggingInterceptor.setLevel(level);
        /\*要在 OkHttpClient.Builder().build(); 之前，否则日志出不来\*/
        builder.addInterceptor(loggingInterceptor);
    }
    if (headParams != null) {
        builder.addInterceptor(new HeadInterceptor(headParams));
    }
    if (cacheDir != null) {
        if (cacheMaxSize < 0) {
            cacheMaxSize = 1024 \* 1024 \* 128;
        }
        Cache cache = new Cache(cacheDir, cacheMaxSize);
        builder.cache(cache);
    }
    OkHttpClient okHttpClient = builder.build();
    OkHttpClient.Builder newBuilder = okHttpClient.newBuilder();
    if (connectTimeout > 0) {
        newBuilder.connectTimeout(connectTimeout, TimeUnit.MILLISECONDS);
    }
    if (readTimeout > 0) {
        newBuilder.readTimeout(readTimeout, TimeUnit.MILLISECONDS);
    }
    if (writeTimeout > 0) {
        newBuilder.writeTimeout(writeTimeout, TimeUnit.MILLISECONDS);
    }
    newBuilder.retryOnConnectionFailure(retryOnConnectionFailure);
    return okHttpClient;
}


final class HeadInterceptor implements Interceptor {
    private StringParams stringParams;

    public HeadInterceptor(StringParams headParams) {
        this.stringParams = headParams;
    }

    @Override
    public Response intercept(Chain chain) throws IOException {
        Request.Builder requestBuilder = chain.request().newBuilder().addHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8").addHeader("Accept-Encoding", "gzip, deflate").addHeader("Connection", "keep-alive").addHeader("Accept", "\*/\*");
        Map stringHeadMap = stringParams.getHeadMap();
        Map stringBodyMap = stringParams.getBodyMap();

         /\*解析文本请求头\*/
        if ((stringHeadMap != null) && (stringHeadMap.size() > 0)) {
            Iterator iterator = stringHeadMap.entrySet().iterator();
            while (iterator.hasNext()) {
                @SuppressWarnings("rawtypes") Map.Entry entry = (Map.Entry) iterator.next();
                requestBuilder.addHeader(entry.getKey() + "", entry.getValue() + "");
            }
        }
        RequestBody requestBody = getStringRequestBody(stringBodyMap);
        if(requestBody!=null){
            requestBuilder.method(method, requestBody);
        }
        return chain.proceed(requestBuilder.build());
    }
}
/\*\*
 \* 添加文本请求体参数
 \*/
@SuppressWarnings("rawtypes")
private RequestBody getStringRequestBody(Map stringBodyMap) {
    FormBody.Builder multipartBodyBuilder = new FormBody.Builder();
    if ((stringBodyMap == null) || (stringBodyMap.size() <= 0)) {
        return null;
    }
    if ((stringBodyMap == null) || (stringBodyMap.size() <= 0)) {
        return null;
    }
    /\*解析文本请求体\*/
    if ((stringBodyMap != null) && (stringBodyMap.size() > 0)) {
        Iterator iterator = stringBodyMap.entrySet().iterator();
        while (iterator.hasNext()) {
            java.util.Map.Entry entry = (java.util.Map.Entry) iterator.next();
            multipartBodyBuilder.add(entry.getKey() + "", entry.getValue() + "");
        }
    }
    return multipartBodyBuilder.build();
}
 
    }

HeadParams


 package github.alex.okhttp; 
    import android.support.annotation.NonNull; 
    import java.util.LinkedHashMap;
 import java.util.Map; 
    /**
 * Created by alex on 2016/6/22.
 */
 public class StringParams {
 /**
 * 文本请求头
 */
 private Map stringHeadMap; 
    /\*\*
 \* 文本请求体
 \*/
private Map stringBodyMap;

public StringParams() {
    this.stringBodyMap = new LinkedHashMap();
    this.stringHeadMap = new LinkedHashMap();
}

/\*\*
 \* 添加文本请求体
 \*/
public StringParams addHeader(@NonNull String key, @NonNull String value) {
    stringHeadMap.put(key, value);
    return this;
}
/\*\*
 \* 添加文本请求体
 \*/
public StringParams addBody(@NonNull String key, @NonNull String value) {
    stringBodyMap.put(key, value);
    return this;
}
/\*\*
 \* 获取请求头参数
 \*/
public Map getHeadMap(){
    return stringHeadMap;
}
/\*\*
 \* 获取请求头体参数
 \*/
public Map getBodyMap(){
    return stringBodyMap;
}
 
    }

Retrofit之表单提交、多文件上传

MultipartBody.Part userLogo

RequestBody phoneBody

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