这篇文章主要讲解了“Java后端怎么实现微信小程序校验信息”，文中的讲解内容简单清晰，易于学习与理解，下面请大家跟着小编的思路慢慢深入，一起来研究和学习“Java后端怎么实现微信小程序校验信息”吧！
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前端只需要将图片和内容传过来即可
pom依赖
HttpClient的依赖和json转换的依赖
com.alibaba
fastjson
1.2.54
org.apache.httpcomponents
httpclient
4.5.10
封装Vo类
用于获取到access_token后进行转换，access_token是什么就不用我多说了吧
public class AccessTokenVO {
private String access_token;
private Integer expires_in;
//记得给get set方法
}封装工具类
import com.alibaba.fastjson.JSONObject;
import com.itheima.fete.pojo.AccessTokenVO;
import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ByteArrayEntity;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.springframework.web.multipart.MultipartFile;
import java.io.*;
import java.util.*;
/**
* @author 兮赫
*/
public class SenInfoCheckUtil {
/**
* 图片违规检测,对外提供,直接使用
*
* @param accessToken
* @param file
* @return
*/
public static Boolean imgFilter(String accessToken, MultipartFile file) {
String contentType = file.getContentType();
return checkPic(file, accessToken, contentType);
}
/**
* 文本违规检测,对外提供,直接使用
*
* @param accessToken
* @param content
* @return
*/
public static Boolean cotentFilter(String accessToken, String content) {
return checkContent(accessToken, content);
}
/**
* 校验图片是否有敏感信息
*
* @param multipartFile
* @return
*/
private static Boolean checkPic(MultipartFile multipartFile, String accessToken, String contentType) {
try {
CloseableHttpClient httpclient = HttpClients.createDefault();
CloseableHttpResponse response = null;
HttpPost request = new HttpPost("https://api.weixin.qq.com/wxa/img_sec_check?access_token=" + accessToken);
request.addHeader("Content-Type", "application/octet-stream");
InputStream inputStream = multipartFile.getInputStream();
byte[] byt = new byte[inputStream.available()];
inputStream.read(byt);
request.setEntity(new ByteArrayEntity(byt, ContentType.create(contentType)));
response = httpclient.execute(request);
HttpEntity httpEntity = response.getEntity();
String result = EntityUtils.toString(httpEntity, "UTF-8");// 转成string
JSONObject jso = JSONObject.parseObject(result);
return getResult(jso);
} catch (Exception e) {
e.printStackTrace();
return true;
}
}
/**
* 校验内容是否有敏感信息
* @param accessToken
* @param content
* @return
*/
private static Boolean checkContent(String accessToken, String content) {
try {
CloseableHttpClient httpclient = HttpClients.createDefault();
CloseableHttpResponse response = null;
HttpPost request = new HttpPost("https://api.weixin.qq.com/wxa/msg_sec_check?access_token=" + accessToken);
request.addHeader("Content-Type", "application/json");
Map map = new HashMap<>();
map.put("content", content);
String body = JSONObject.toJSONString(map);
request.setEntity(new StringEntity(body, ContentType.create("text/json", "UTF-8")));
response = httpclient.execute(request);
HttpEntity httpEntity = response.getEntity();
String result = EntityUtils.toString(httpEntity, "UTF-8");// 转成string
JSONObject jso = JSONObject.parseObject(result);
return getResult(jso);
} catch (Exception e) {
e.printStackTrace();
return true;
}
}
/**
* 返回状态信息,可以修改为自己的逻辑
* @param jso
* @return
*/
private static Boolean getResult(JSONObject jso) {
Object errcode = jso.get("errcode");
int errCode = (int) errcode;
if (errCode == 0) {
return true;
} else if (errCode == 87014) {
return false;
} else {
return false;
}
}
/**
* 获取小程序的 access_token
* @return
*/
public static String getAccessToken() {
AccessTokenVO accessTokenVO = null;
try {
CloseableHttpClient httpclient = HttpClients.createDefault();
CloseableHttpResponse response = null;
//改成自己的appid和secret
HttpGet request = new HttpGet("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=wxbh0594d32gf315&secret=c9864f6e8aafg8313b6d5d608bd6a6b");
request.addHeader("Content-Type", "application/json");
response = httpclient.execute(request);
HttpEntity httpEntity = response.getEntity();
String result = EntityUtils.toString(httpEntity, "UTF-8");// 转成string
accessTokenVO = JSONObject.parseObject(result, AccessTokenVO.class);
//返回token
return accessTokenVO.getAccess_token();
} catch (IOException e) {
e.printStackTrace();
}
return null;
}
}编写Controller层
import com.itheima.fete.utils.SenInfoCheckUtil;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import java.io.IOException;
/**
* @author 兮赫
* 校验内容是否敏感
*/
@RestController
@RequestMapping("/check")
public class CheckController {
/**
* 校验内容
* @param content
* @return
* @throws IOException
*/
@GetMapping("/content/{content}")
public Boolean checkContent(@PathVariable String content) {
String accessToken = SenInfoCheckUtil.getAccessToken();
return SenInfoCheckUtil.cotentFilter(accessToken, content);
}
/**
* 校验图片
* @param multipartFile
* @return
*/
@PostMapping("/image")
public Boolean checkImage(@RequestPart(value = "file") MultipartFile multipartFile){
String accessToken = SenInfoCheckUtil.getAccessToken();
return SenInfoCheckUtil.imgFilter(accessToken, multipartFile);
}
}感谢各位的阅读，以上就是“Java后端怎么实现微信小程序校验信息”的内容了，经过本文的学习后，相信大家对Java后端怎么实现微信小程序校验信息这一问题有了更深刻的体会，具体使用情况还需要大家实践验证。这里是创新互联，小编将为大家推送更多相关知识点的文章，欢迎关注！
标题名称：Java后端怎么实现微信小程序校验信息
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