okhttp 使用 post
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2022-04-24 17:18:44
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java okhttp maven pom
<dependency> <groupId>com.squareup.okhttp3</groupId> <artifactId>okhttp</artifactId> <version>3.2.0</version> </dependency> <dependency> <groupId>com.squareup.okio</groupId> <artifactId>okio</artifactId> <version>1.7.0</version> </dependency>
OkhttpUtils.java
import java.io.File;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.FormBody.Builder;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
import okio.BufferedSink;
import com.curiousby.baoyou.cn.showandshare.application.otherapplicaition.springbootdubboconsumer.common.RespEntity;
import com.curiousby.baoyou.cn.showandshare.application.otherapplicaition.springbootdubboconsumer.common.RespEnums;
import com.curiousby.baoyou.cn.showandshare.application.otherapplicaition.springbootdubboconsumer.common.ValidatorUtil;
public class OkhttpUtils {
public static RespEntity postPipe(String url, Map<String, Object> params) {
RespEntity entity = new RespEntity("");
RequestBody requestBody = new RequestBody( ) {
@Override
public MediaType contentType() {
return MediaType.parse("application/json;charset:UTF-8");
}
@Override
public void writeTo(BufferedSink sink) throws IOException {
sink.writeUtf8(FastJsonUtils.toJSONString(params));
}
};
Request request = new Request.Builder()
.url(url)
.post(requestBody)
.build();
OkHttpClient client = new OkHttpClient();
Response response = null;
try {
response = client.newCall(request).execute();
} catch (IOException e) {
e.printStackTrace();
entity.setCode(RespEnums.RESP_EXCEPTION.getCode());
entity.setMsg(e.getMessage());
}
if (!response.isSuccessful()) {
entity.setCode(RespEnums.RESP_OTHER_RESP_CODE.getCode());
}
String result = null;
try {
result = response.body().string();
entity.setData(result);
} catch (IOException e) {
e.printStackTrace();
entity.setCode(RespEnums.RESP_EXCEPTION.getCode());
entity.setMsg(e.getMessage());
}
return entity;
}
public static RespEntity post(String url, Map<String, Object> headers, Map<String, Object> params) {
RespEntity entity = new RespEntity("");
OkHttpClient client = new OkHttpClient();
FormBody.Builder formBuilder = new FormBody.Builder();
if (!ValidatorUtil.isEmpty(params)) {
for (Entry<String, Object> entry : params.entrySet()) {
formBuilder.add(entry.getKey(), ValidatorUtil.getObjOrEmpty(entry.getValue()).toString());
}
}
FormBody form = formBuilder.build();
Request.Builder requestBuilder = new Request.Builder();
//requestBuilder.addHeader("content-type", "application/json;charset:UTF-8") ;
if (!ValidatorUtil.isEmpty(headers)) {
for (Entry<String, Object> entry : headers.entrySet()) {
requestBuilder.addHeader(entry.getKey(), ValidatorUtil.getObjOrEmpty(entry.getValue()).toString());
}
}
requestBuilder.url(url);
requestBuilder.post(form);
Request request = requestBuilder.build();
Response response = null;
try {
response = client.newCall(request).execute();
} catch (IOException e) {
e.printStackTrace();
entity.setCode(RespEnums.RESP_EXCEPTION.getCode());
entity.setMsg(e.getMessage());
}
if (!response.isSuccessful()) {
entity.setCode(RespEnums.RESP_OTHER_RESP_CODE.getCode());
entity.setMsg("error code : "+response.code());
}
String result = null;
try {
result = response.body().string();
entity.setData(result);
} catch (IOException e) {
e.printStackTrace();
entity.setCode(RespEnums.RESP_EXCEPTION.getCode());
entity.setMsg(e.getMessage());
}
return entity;
}
public static void postAsynchronize(String url, Map<String, Object> params) {
OkHttpClient client = new OkHttpClient();
Builder builder = new FormBody.Builder();
for (Entry<String, Object> entry : params.entrySet()) {
builder.add(entry.getKey(),
ValidatorUtil.getObjOrEmpty(entry.getValue()).toString());
}
FormBody form = builder.build();
Request request = new Request.Builder().url(url).post(form).build();
Call call = client.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
// 访问失败, 打印访问地址
Request r = call.request();
System.out.println("请求失败: " + r.url());
System.out.println(r.body());
}
@Override
public void onResponse(Call call, Response response)
throws IOException {
System.out.println("请求有响应" + call.request().url());
System.out.println("响应码: " + response.code());
System.out.println("请求内容: " + response.body().string());
}
});
}
public static void postSynchronize(String url, Map<String, Object> params) {
OkHttpClient client = new OkHttpClient();
Builder builder = new FormBody.Builder();
for (Entry<String, Object> entry : params.entrySet()) {
builder.add(entry.getKey(), ValidatorUtil.getObjOrEmpty(entry.getValue()).toString());
}
FormBody form = builder.build();
Request request = new Request.Builder().url(url).post(form).build();
Response response = null;
try {
response = client.newCall(request).execute();
} catch (IOException e) {
e.printStackTrace();
}
if (!response.isSuccessful()) {
}
String result = null;
try {
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
}
public static void uploadFile(String url,File file, Map<String, Object> params) {
//还是先创建客户端
OkHttpClient client = new OkHttpClient();
//待上传文件
// MultipartBody.Part part = MultipartBody.Part .createFormData("upload", file.getName(), RequestBody.create(MultipartBody.FORM, file));
MultipartBody multipartBody = new MultipartBody.Builder()
.setType(MultipartBody.FORM)
.addFormDataPart("username", "lulu")//这个参数在服务器端可以接收到
.addFormDataPart("upload", file.getName(), RequestBody.create(MultipartBody.FORM, file))
.build();
Request request = new Request.Builder()
.url("http://127.0.0.1:8080/test")
.post(multipartBody)
.build();
Call call = client.newCall(request);
try {
Response response = call.execute();
if (response.isSuccessful()) {
System.out.println(response.body().string());
} else {
System.out.println("访问失败:" + response.code());
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
RespEntity .java
public class RespEntity implements Serializable{
private int code;
private String msg;
private Object data;
private long timestamp ;
public RespEntity() { }
public RespEntity(Object data ) {
this.code = RespEnums.RESP_HTTP_SUCCESS.getCode();
this.msg = RespEnums.RESP_HTTP_SUCCESS.getDesc();
this.data = data;
this.timestamp = System.currentTimeMillis();
}
public int getCode() {
return code;
}
public void setCode(int code) {
this.code = code;
}
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public Object getData() {
return this.data;
}
public void setData(Object data) {
this.data = data;
}
public long getTimestamp() {
return timestamp;
}
public void setTimestamp(long timestamp) {
this.timestamp = timestamp;
}
}
RespEnums .java
public enum RespEnums {
RESP_HTTP_SUCCESS(0,"000","HTTP SUCCESS")
,RESP_HTTP_ERROR(100,"100","HTTP ERROR")
,RESP_SUCCESS(200,"200","SUCCESS")
,RESP_VALID_SUCCESS(210,"210","VALID SUCCESS")
,RESP_VALID_FAIL(211,"211","VALID FAIL")
,RESP_ERROR(400,"400","ERROR")
,RESP_ERROR_PARAMS_NULL(401,"401","param is null")
,RESP_ERROR_AUTH_FAIL(402,"402","auth fail")
,RESP_ERROR_PARAMS_FAIL(403,"403","param fail")
,RESP_OTHER_RESP_CODE(499,"499","OTHER_RESP_CODE")
,RESP_EXCEPTION(500,"500","EXCEPTION")
;
private int code;
private String sourceCode;
private String desc;
private RespEnums(int code, String sourceCode, String desc){
this.setCode(code);
this.setSourceCode(sourceCode);
this.setDesc(desc);
}
/**
* 根据编码获得基础编码对象
* @param sourceCode
* @return
*/
public static RespEnums getBaseBySourceCode(String sourceCode){
RespEnums bc = null;
for(RespEnums baseCodeEnum : RespEnums.values()){
if (baseCodeEnum.sourceCode.equals(sourceCode)){
bc = baseCodeEnum;
break;
}
}
return bc;
}
/**
* 根据编码获得基础编码对象
* @param code
* @return
*/
public static RespEnums getBaseByCode(int code){
RespEnums bc = null;
for(RespEnums baseCodeEnum : RespEnums.values()){
if (baseCodeEnum.code == code ){
bc = baseCodeEnum;
break;
}
}
return bc;
}
public int getCode() {
return code;
}
public void setCode(int code) {
this.code = code;
}
public String getSourceCode() {
return sourceCode;
}
public void setSourceCode(String sourceCode) {
this.sourceCode = sourceCode;
}
public String getDesc() {
return desc;
}
public void setDesc(String desc) {
this.desc = desc;
}
}
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