// 登录
uni.login({
success: res => {
// 发送 res.code 到后台换取 openId, sessionKey, unionId
if (res.code) {
var code = res.code;
console.log(res.code);
// 获取用户信息
uni.getSetting({
success: ures => {
if (ures.authSetting['scope.userInfo']) {
// 已经授权,可以直接调用 getUserInfo 获取头像昵称,不会弹框
uni.getUserInfo({
success: ures2 => {
// 可以将 ures2 发送给后台解码出 unionId
this.globalData.userInfo = ures2.userInfo;
console.log("获取到的用户数据:");
console.log(ures2)
JSON.stringify(ures2)
// 由于 getUserInfo 是网络请求,可能会在 Page.onLoad 之后才返回
// 所以此处加入 callback 以防止这种情况
if (this.userInfoReadyCallback) {
this.userInfoReadyCallback(ures2)
};
console.log(res.data);
this.$api.request({ //这是自己封装的请求,用uni的就可以
url:"/WxQyInFo/getOpenid", //java后台请求路径
data: {
code: code,
encryptedData: ures2.encryptedData,
iv: ures2.iv
},
method: "Get",
header: {
'content-type': 'application/x-www-form-urlencoded',
}
}).then(res=>{
if(res.data.status == "1"){
// this.loginWx(res.data.userInfo);
//this.awaitUserInfo = true;
}else{
//uni.hideToast();
//this.awaitUserInfo = true;
uni.showModal({
title: '提示',
showCancel:false,
content: "获取openId失败,请重新打开或者联系管理员!",
success: function (res) {
if (res.confirm) {
}
}
});
}
console.log(res.data)
})
}
})
}
}
})
}
}
})
until中的AesUtil 辅助类
//package com.hx.slj.common.utils;改成自己的
import org.apache.commons.codec.binary.Base64;
import org.bouncycastle.jce.provider.BouncyCastleProvider;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.spec.IvParameterSpec;
import javax.crypto.spec.SecretKeySpec;
import java.io.UnsupportedEncodingException;
import java.security.*;
import java.security.spec.InvalidParameterSpecException;
public class AesUtil {
static {
//BouncyCastle是一个开源的加解密解决方案,主页在http://www.bouncycastle.org/
Security.addProvider(new BouncyCastleProvider());
}
/**
* AES解密
*
* @param data //密文,被加密的数据
* @param key //秘钥
* @param iv //偏移量
* @param encodingFormat //解密后的结果需要进行的编码
* @return
* @throws Exception
*/
public static String decrypt(String data, String key, String iv, String encodingFormat) throws Exception {
//被加密的数据
byte[] dataByte = Base64.decodeBase64(data);
//加密秘钥
byte[] keyByte = Base64.decodeBase64(key);
//偏移量
byte[] ivByte = Base64.decodeBase64(iv);
try {
Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");
SecretKeySpec spec = new SecretKeySpec(keyByte, "AES");
AlgorithmParameters parameters = AlgorithmParameters.getInstance("AES");
parameters.init(new IvParameterSpec(ivByte));
cipher.init(Cipher.DECRYPT_MODE, spec, parameters);// 初始化
byte[] resultByte = cipher.doFinal(dataByte);
if (null != resultByte && resultByte.length > 0) {
String result = new String(resultByte, encodingFormat);
return result;
}
return null;
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
} catch (NoSuchPaddingException e) {
e.printStackTrace();
} catch (InvalidParameterSpecException e) {
e.printStackTrace();
} catch (InvalidKeyException e) {
e.printStackTrace();
} catch (InvalidAlgorithmParameterException e) {
e.printStackTrace();
} catch (IllegalBlockSizeException e) {
e.printStackTrace();
} catch (BadPaddingException e) {
e.printStackTrace();
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
return null;
}
}
until中的 HttpRequest 辅助类 httpclient
//package com.hx.slj.common.utils;使用自己的包路径
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.URL;
import java.net.URLConnection;
import java.util.List;
import java.util.Map;
public class HttpRequest {
/**
* 向指定URL发送GET方法的请求
*
* @param url
* 发送请求的URL
* @param param
* 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。
* @return URL 所代表远程资源的响应结果
*/
public static String sendGet(String url, String param) {
String result = "";
BufferedReader in = null;
try {
String urlNameString = url + "?" + param;
URL realUrl = new URL(urlNameString);
// 打开和URL之间的连接
URLConnection connection = realUrl.openConnection();
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 获取所有响应头字段
Map<String, List<String>> map = connection.getHeaderFields();
// 遍历所有的响应头字段
for (String key : map.keySet()) {
System.out.println(key + "--->" + map.get(key));
}
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(
connection.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送GET请求出现异常!" + e);
e.printStackTrace();
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
e2.printStackTrace();
}
}
return result;
}
/**
* 向指定 URL 发送POST方法的请求
*
* @param url
* 发送请求的 URL
* @param param
* 请求参数,请求参数应该是 name1=value1&name2=value2 的形式。
* @return 所代表远程资源的响应结果
*/
public static String sendPost(String url, String param) {
PrintWriter out = null;
BufferedReader in = null;
String result = "";
try {
URL realUrl = new URL(url);
// 打开和URL之间的连接
URLConnection conn = realUrl.openConnection();
// 设置通用的请求属性
conn.setRequestProperty("accept", "*/*");
conn.setRequestProperty("connection", "Keep-Alive");
conn.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 发送POST请求必须设置如下两行
conn.setDoOutput(true);
conn.setDoInput(true);
// 获取URLConnection对象对应的输出流
out = new PrintWriter(conn.getOutputStream());
// 发送请求参数
out.print(param);
// flush输出流的缓冲
out.flush();
// 定义BufferedReader输入流来读取URL的响应
in = new BufferedReader(
new InputStreamReader(conn.getInputStream()));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
} catch (Exception e) {
System.out.println("发送 POST 请求出现异常!"+e);
e.printStackTrace();
}
//使用finally块来关闭输出流、输入流
finally{
try{
if(out!=null){
out.close();
}
if(in!=null){
in.close();
}
}
catch(IOException ex){
ex.printStackTrace();
}
}
return result;
}
}
java的controller层调用
/**
* 获取微信小程序的openid
* @param code
* @param encryptedData
* @param iv
* @return
* @throws Exception
*/
@ResponseBody
@RequestMapping(value = "/getOpenid", method = RequestMethod.GET)
public Map<String,Object> getOpenid(String code, String encryptedData, String iv ) throws Exception{
Map<String,Object> map = new HashMap<>();
//code = "081ZExyD0qnP4j2LV5yD0hFLyD0ZExyK";
//登录凭证不能为空
if (code == null || code.length() == 0) {
map.put("status", 0);
map.put("msg", "code 不能为空");
System.out.println("map1:" + map);
return map;
}
//小程序唯一标识 (在微信小程序管理后台获取)
String wxspAppid = "appid";
//小程序的 app secret (在微信小程序管理后台获取)
String wxspSecret = "app secret";
//授权(必填)
String grant_type = "authorization_code";
1、向微信服务器 使用登录凭证 code 获取 session_key 和 openid
//请求参数
String params = "appid=" + wxspAppid + "&secret=" + wxspSecret + "&js_code=" + code + "&grant_type=" + grant_type;
//发送请求
String sr = HttpRequest.sendGet("https://api.weixin.qq.com/sns/jscode2session", params);
//解析相应内容(转换成json对象)
JSONObject json = JSONObject.parseObject(sr);
//获取会话密钥(session_key)
String session_key = json.get("session_key").toString();
//用户的唯一标识(openid)
String openid = (String) json.get("openid");
System.out.println("openid:" + openid);
2、对encryptedData加密数据进行AES解密
try {
String result = AesUtil.decrypt(encryptedData, session_key, iv, "UTF-8");
if (null != result && result.length() > 0) {
map.put("status", 1);
map.put("msg", "解密成功");
JSONObject userInfoJSON = JSONObject.parseObject(result);
Map<String,Object> userInfo = new HashMap<String,Object>();
userInfo.put("openId", userInfoJSON.get("openId"));
userInfo.put("nickName", userInfoJSON.get("nickName"));
userInfo.put("gender", userInfoJSON.get("gender"));
userInfo.put("city", userInfoJSON.get("city"));
userInfo.put("province", userInfoJSON.get("province"));
userInfo.put("country", userInfoJSON.get("country"));
userInfo.put("avatarUrl", userInfoJSON.get("avatarUrl"));
userInfo.put("unionId", userInfoJSON.get("unionId"));
map.put("userInfo", userInfo);
System.out.println("map2:" + map);
return map;
}
} catch (Exception e) {
e.printStackTrace();
}
map.put("status", 0);
map.put("msg", "解密失败");
System.out.println("map3:" + map);
return map;
}