JAVA 实现 POSTMAN 中以POST请求form-data

        
            org.apache.httpcomponents
            httpclient
            4.5.3
        
        
            commons-httpclient
            commons-httpclient
            3.1
        

    public static String method2() throws IOException {
        PostMethod postMethod = new PostMethod("http://113.16.167.157:8181/api/xxgl/tbkp.do") ;
        postMethod.setRequestHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8") ;
        //参数设置，需要注意的就是里边不能传NULL，要传空字符串
        //key  value 形式参数
        NamevaluePair[] data = {
                new NamevaluePair("appid","xxxxx"),
                new NamevaluePair("serviceid","xxxxx"),
                new NamevaluePair("content","xxxxx"),
                new NamevaluePair("signType","xxxxx")
        };
        postMethod.setRequestBody(data);
        HttpClient httpClient = new HttpClient();
        int response = httpClient.executeMethod(postMethod); // 执行POST方法
        String result = postMethod.getResponseBodyAsString() ;  //返回结果

        if (response == 200 && result != null) {
            //成功后的逻辑
            System.out.println(result);
        }
        return "";
    }