spring boot 调用python_SpringBoot—RestTemplate远程调用python rest接口

最近公司项目使用了Python作CMS系统,但是数据分析和一些基础数据提供等需要用到Java来做,所以就是一个后台项目分成Java和Python来做,有一些数据就需要从Python端查出来再提供给Java使用,Python使用的是django,Java是Springboot,Python调Java可以使用Telnet调用Java的dubbo接口(会另写一篇),Java调用Python就是用Spring提供的RestTemplate

首先配置RestTemplate

package com.hqjl.career.config;

import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;

import org.springframework.context.annotation.Bean;

import org.springframework.http.client.ClientHttpRequestFactory;

import org.springframework.http.client.SimpleClientHttpRequestFactory;

import org.springframework.http.converter.HttpMessageConverter;

import org.springframework.http.converter.StringHttpMessageConverter;

import org.springframework.stereotype.Component;

import org.springframework.web.client.RestOperations;

import org.springframework.web.client.RestTemplate;

import java.nio.charset.Charset;

import java.util.Iterator;

import java.util.List;

/**

* @author chunying

*/

@Component

public class RestTemplateConfig {

@Bean

@ConditionalOnMissingBean({RestOperations.class , RestTemplate.class})

public RestTemplate restTemplate(ClientHttpRequestFactory factory) {

RestTemplate restTemplate = new RestTemplate(factory);

List> messageConverters = restTemplate.getMessageConverters();

Iterator> iterator = messageConverters.iterator();

while (iterator.hasNext()) {

HttpMessageConverter> converter = iterator.next();

if(converter instanceof StringHttpMessageConverter) {

iterator.remove();

}

}

messageConverters.add(new StringHttpMessageConverter(Charset.forName("UTF-8")));

return restTemplate;

}

@Bean

@ConditionalOnMissingBean({ClientHttpRequestFactory.class})

public ClientHttpRequestFactory simpleClientHttpRequestFactory() {

SimpleClientHttpRequestFactory factory = new SimpleClientHttpRequestFactory();

factory.setReadTimeout(15000);

factory.setConnectTimeout(12000);

return factory;

}

}

这基本是死的 不多说了 主要说下使用

我们这里是远程调用rest,post方法需要带参数

首先设置请求头

HttpHeaders httpHeaders = new HttpHeaders();

httpHeaders.setContentType(MediaType.APPLICATION_JSON);

参数

JSONObject param = new JSONObject();

param.put("gradeID",gradeID);

param.put("schoolID" , schoolID);

param.put("type" , 1);

定义URL,这里我有部分URL是在配置文件中的,不同环境ip,port可能会变动

@Value("${pythonserv}")

private String pyURL;

String URL = pyURL + "/intention/commonList";

请求以及响应接收

HttpEntity entity = new HttpEntity<>(param.toString() , httpHeaders);

HttpEntity response = restTemplate.exchange(URL, HttpMethod.POST , entity , String.class);

简单说一下Python端,因为有几个坑,首先Python端接收到参数解析完类型是unicode,我们取参数肯定想用的是字典类型嘛,

所以我简单写一下,有兴趣的童鞋可以试一下每一步打印type()

def commonList(request):

dict = json.loads(request.body.decode()) unicode

dict = dict.encode('utf-8') str

dict = json.loads(dict) dict

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