OkHttp3的简单使用
Posted 段合江
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OkHttp3的简单封装
public class OkHttpUtil {
public static final String TAG="OkHttpUtil";
private static OkHttpClient client;
private static OkHttpUtil httpUtil;
private OkHttpUtil(){
client=new OkHttpClient.Builder()
.connectTimeout(10, TimeUnit.SECONDS)
.readTimeout(10,TimeUnit.SECONDS)
.build();
}
// 使用单例模式，保证只有一个OkHttpUtil和OkHttpClient 的实例。
public static OkHttpUtil getInstance(){
synchronized (OkHttpUtil.class){
if(httpUtil==null){
httpUtil= new OkHttpUtil();
return httpUtil;
}
}
return httpUtil;
}
/**
* get异步请求
* @param url
*/
public static void getData(String url){
Request request=new Request.Builder().url(url)
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
//字符串类型
Log.i(TAG, "getData: " + response.body().string());
//字节数组类型
Log.i(TAG, "getData: " + response.body().bytes());
//字节流类型
Log.i(TAG, "getData: " + response.body().byteStream());
//字符流类型
Log.i(TAG, "getData: " + response.body().charStream());
}
});
}
/**
* 带有多个参数的get请求
* @param url
* @param map
*/
public void getParams(String url,Map<String,String> map){
String url1=url;
if(map!=null&&map.size()>0){
for(String key:map.keySet()){
url1+="&"+key+"="+map.get(key);
}
}
getData(url1);
}
/**
* 提交单个键值对
* @param url
* @param key
* @param value
*/
public void postKeyValuePaire(String url,String key,String value){
FormBody formBody=new FormBody.Builder()
.add(key,value)
.build();
Request request=new Request.Builder()
.url(url)
.post(formBody)
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
}
});
}
/**
* 提交多个键值对
*
* @param url 提交的路径
* @param map 用来放置键值对,map的key对应键,value对应值
*/
public void postMap(String url,Map<String ,String> map){
FormBody.Builder formBody=new FormBody.Builder();
if(map!=null){
for(String key:map.keySet()){
formBody.add(key,map.get(key));
}
}
Request request=new Request.Builder().url(url)
.post(formBody.build())
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
}
});
}
/**
* post提交Json数据
* @param url
* @param content
*/
public void postString(String url,String content){
MediaType mediaType=MediaType.parse("application/json; charset=utf-8");
RequestBody requestBody=RequestBody.create(mediaType,content);
Request request=new Request.Builder()
.url(url)
.post(requestBody)
.build();
client.newCall(request)
.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
}
});
}
/**
* 上传单一文件
*/
public void uploadFile(String url, File file){
MediaType type=MediaType.parse(getMediaType(file.getName()));//设置上传文件的类型
RequestBody requestBody=RequestBody.create(type,file);//创建请求体
Request request=new Request.Builder().url(url)//创建请求
.post(requestBody)
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
}
});
}
/**
* 上传多个文件
*/
public void uploadFiles(String url,File[] files){
MultipartBody.Builder builder=new MultipartBody.Builder().setType(MultipartBody.FORM);
for(int i=0;i<files.length;i++){
RequestBody fileBody=RequestBody.create(MediaType.parse(getMediaType(files[i].getName())),files[i]);
builder.addFormDataPart("file",files[i].getName(),fileBody);
}
Request request=new Request.Builder()
.url(url)
.post(builder.build())
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
}
});
}
/**
* 上传多个文件和参数
*/
public void uplaodMultiFiles(String url,File[] files,Map<String ,String> map){
MultipartBody.Builder builder=new MultipartBody.Builder().setType(MultipartBody.FORM);
//添加文件
if(files!=null&&files.length>0){
for(int i=0;i<files.length;i++){
builder.addFormDataPart("uploadfile",files[i].getName(),RequestBody.create(MediaType.parse(files[i].getName()),files[i]));
}
}
//添加参数
if(map!=null&&map.size()>0){
for(String key:map.keySet()){
builder.addFormDataPart(key,map.get(key));
}
}
Request request=new Request.Builder().url(url)
.post(builder.build())
.build();
client.newCall(request).enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
}
@Override
public void onResponse(Call call, Response response) throws IOException {
}
});
}
/**
* 根据文件的名称判断文件的MediaType
* @param fileName
* @return
*/
private String getMediaType(String fileName){
FileNameMap map= URLConnection.getFileNameMap();
String contentTypeFor=map.getContentTypeFor(fileName);
if(contentTypeFor==null){
contentTypeFor="applicationn/octet-stream";
}
return contentTypeFor;
}
/**
* 设置请求头
* @param headersParams
* @return
*/
private Headers SetHeaders(Map<String, String> headersParams){
Headers headers=null;
okhttp3.Headers.Builder headersbuilder=new okhttp3.Headers.Builder();
if(headersParams != null)
{
Iterator<String> iterator = headersParams.keySet().iterator();
String key = "";
while (iterator.hasNext()) {
key = iterator.next().toString();
headersbuilder.add(key, headersParams.get(key));
Log.d("get http", "get_headers==="+key+"===="+headersParams.get(key));
}
}
headers=headersbuilder.build();
return headers;
}
/**
* get方法连接拼加参数
* @param mapParams
* @return
*/
private String setUrlParams( Map<String, String> mapParams){
String strParams = "";
if(mapParams != null){
Iterator<String> iterator = mapParams.keySet().iterator();
String key = "";
while (iterator.hasNext()) {
key = iterator.next().toString();
strParams += "&"+ key + "=" + mapParams.get(key);
}
}
return strParams;
}
}
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