showapi_sdk_java

showapi_sdk_java

需要导入的包

import java.io.*;

import java.net.HttpURLConnection;

import java.net.URL;

import java.util.HashMap;

import java.util.Map;

普通POST demo

public static void main(String[] args) {

//这里需要替换为你自己的appid和secret，你可以在这里找到 https://www.showapi.com/console#/myApp

String showapi_appid = "XXXXX";

String showapi_sign = "XXXXXXXXXXXXXXX";

//这里的参数在对应接口的页面中查看(接口文档==>二、请求参数==>应用级参数)

String com = "zhongtong";

String nu= "75312165465979";

//拼接接口所需的参数

String paramsStr = "showapi_appid="+showapi_appid+"&showapi_sign="+showapi_sign+"&com=" + com +"&nu="+nu;

//调用接口

String result = sendPost("https://route.showapi.com/64-19",paramsStr,"utf-8");

//得到返回参数

System.out.println(result);

}

/**

*普通post请求接口的方法示例

* @param uri

* @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。

* @param charset

* @return

*/

public static String sendPost(String uri, String param, String charset) {

String result = null;

PrintWriter out = null;

InputStream in = null;

try {

URL url = new URL(uri);

HttpURLConnection urlcon = (HttpURLConnection) url.openConnection(); //得到的是URLConnection对象

urlcon.setDoInput(true); // 设置是否从httpUrlConnection读入，默认情况下是true;

urlcon.setDoOutput(true);// 设置是否向httpUrlConnection输出，因为这个是post请求，参数要放在http正文内，因此需要设为true, 默认情况下是false;

urlcon.setUseCaches(false);// Post 请求不能使用缓存

urlcon.setRequestMethod("POST");

urlcon.connect();// 获取连接

out = new PrintWriter(urlcon.getOutputStream());//获取输出流

out.print(param);

out.flush();

in = urlcon.getInputStream();

BufferedReader buffer = new BufferedReader(new InputStreamReader(in, charset));

StringBuffer bs = new StringBuffer();

String line = null;

while ((line = buffer.readLine()) != null) {

bs.append(line);

}

result = bs.toString();

} catch (Exception e) { System.out.println("[请求异常][地址：" + uri + "][参数：" + e.getMessage() + "]");

} finally {

try {

if (null != in)

in.close();

if (null != out)

out.close();

} catch (Exception e2) {

System.out.println("[关闭流异常][错误信息：" + e2.getMessage() + "]");

}

}

return result;

}

文件POST demo

public static void main(String[] args) {

//这里需要替换为你自己的appid和secret，你可以在这里找到 https://www.showapi.com/console#/myApp

String showapi_appid = "XXXXX";

String showapi_sign = "XXXXXXXXXXXXXXX";

//这里的参数在对应接口的页面中查看(接口文档==>二、请求参数)

//非文件类型的参数放在这里

Map params = new HashMap();

params.put("showapi_appid",showapi_appid);

params.put("showapi_sign",showapi_sign);

//文件类型的参数放在这里

Map files = new HashMap();

File file=new File("C:\\Users\\showapi006\\Desktop\\QQ截图20200329125529.png");

files.put("img",file);

//调用接口

String result = filePost("https://route.showapi.com/887-4", params,files);

//得到接口返回的参数

System.out.println(result);

}

/**

*

* @param urlStr http请求路径

* @param params 请求参数

* @param files 上传文件

* @return

*/

public static String filePost(String urlStr, Map params,Map files) {

InputStream is = null;

String result = "";

// 定义数据分隔线

String BOUNDARY = "========7d4a6d158c9";

try {

URL url = new URL(urlStr);

HttpURLConnection con = (HttpURLConnection) url.openConnection();

con.setConnectTimeout(5000);

con.setDoInput(true);

con.setDoOutput(true);

con.setUseCaches(false);

con.setRequestMethod("POST");// 设置为POST请求

// 设置请求头参数

con.setRequestProperty("Connection", "Keep-Alive");

con.setRequestProperty("Charset", "UTF-8");

con.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + BOUNDARY);

StringBuilder sb = handleStrParams(params); //处理非文件类型参数

DataOutputStream dos = new DataOutputStream(con.getOutputStream());

if (sb != null) {

dos.write(sb.toString().getBytes());

}

if (files != null) { //处理文件参数

for (String s : files.keySet()) {

File f = files.get(s);

sb = new StringBuilder();

sb.append("--");

sb.append(BOUNDARY);

sb.append("\r\n");

sb.append("Content-Disposition: form-data; name=\"");

sb.append(s);

sb.append("\"; filename=\"");

sb.append(f.getName());

sb.append("\"\r\n");

sb.append("Content-Type: multipart/form-data");

sb.append("\r\n\r\n");// 参数头设置完以后需要两个换行，然后才是参数内容

dos.write(sb.toString().getBytes());

FileInputStream fis = new FileInputStream(f);

byte[] buffer = new byte[1024];

int len;

while ((len = fis.read(buffer)) != -1) {

dos.write(buffer, 0, len);

}

dos.write("\r\n".getBytes());

fis.close();

}

sb = new StringBuilder();

sb.append("--");

sb.append(BOUNDARY);

sb.append("--\r\n");

dos.write(sb.toString().getBytes());

}

dos.flush();

if (con.getResponseCode() == 200)

is = con.getInputStream();

dos.close();

BufferedReader buffer = new BufferedReader(new InputStreamReader(is, "utf-8"));

StringBuffer bs = new StringBuffer();

String line = null;

while ((line = buffer.readLine()) != null) {

bs.append(line);

}

result = bs.toString();

} catch (Exception e) {

System.out.println("发送POST请求出现异常！" + e);

e.printStackTrace();

}

return result;

}

/**

* 拼接串参数

* @param params

* @return

*/

public static StringBuilder handleStrParams(Map params){

if (params == null){

return null;

}

StringBuilder sb = new StringBuilder();

for (String s : params.keySet()) {

sb.append("--");

sb.append("========7d4a6d158c9");

sb.append("\r\n");

sb.append("Content-Disposition: form-data; name=\"");

sb.append(s);

sb.append("\"\r\n\r\n");

sb.append(params.get(s));

sb.append("\r\n");

}

return sb;

}

base64处理 demo

public static void main(String[] args) {

File file = new File("C:/Users/Admin/Desktop/test.png");//需要转换的文件对象

String res=ShowApiRequest.fileToBase64(file); //文件转换后得到的base64

System.out.println(res);

}

/**

*

* @param file

* @return

*/

public static String fileToBase64(File file){

byte[] buffer = null;

try{

FileInputStream fis = new FileInputStream(file);

ByteArrayOutputStream bos = new ByteArrayOutputStream();

byte[] b = new byte[1024];

int n;

while ((n = fis.read(b)) != -1)

{

bos.write(b, 0, n);

}

fis.close();

bos.close();

buffer = bos.toByteArray();

}catch (FileNotFoundException e){

e.printStackTrace();

}catch (IOException e){

e.printStackTrace();

}

String str = javax.xml.bind.DatatypeConverter.printBase64Binary(buffer);

return str;

}