This article records how to obtain the user's mobile phone number through the https interface when writing a small program background. The general process is as follows:
1. Obtain the authenticated appId and secret;
2. Use the appId and secret to obtain the accessToken;
3. The front end obtains the user's code;
4. Obtain the mobile phone number through the code and accessToken.
The appId and secret are obtained after various verifications on the WeChat public platform.
1. Reference source for obtaining the code on the mini program : https://developers.weixin.qq.com/miniprogram/dev/framework/open-ability/getPhoneNumber.html
Instructions for use:
You need to set the value of the open-type of the button component to getPhoneNumber. After the user clicks and agrees, you can get the dynamic token code through the bindgetphonenumber event callback, and then pass the code to the developer background, and call the WeChat background in the developer background Provided phonenumber.getPhoneNumber interface, consumption code in exchange for the user's phone number. Each code is valid for 5 minutes and can only be consumed once.
Note: The code returned by getPhoneNumber and the code returned by wx.login have different functions and cannot be mixed.
Code example:
<button open-type="getPhoneNumber" bindgetphonenumber="getPhoneNumber"></button>
Page({
getPhoneNumber (e) {
console.log(e.detail.code)
}
})
2. Java obtains accessToken and phone
Reference:
https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/phonenumber/phonenumber.getPhoneNumber.html
https://developers.weixin.qq.com/miniprogram/dev/api-backend/open-api/access-token/auth.getAccessToken.html
I am here directly Above code:
1. http calling code
/**
* HTTP/HTTPS 请求封装: GET / POST
* 默认失败重试3次
* @author admin
*/
@Slf4j
public class HttpClientSslUtils {
/**
* 默认的字符编码格式
*/
private static final String DEFAULT_CHAR_SET = "UTF-8";
/**
* 默认连接超时时间 (毫秒)
*/
private static final Integer DEFAULT_CONNECTION_TIME_OUT = 2000;
/**
* 默认socket超时时间 (毫秒)
*/
private static final Integer DEFAULT_SOCKET_TIME_OUT = 3000;
/** socketTimeOut上限 */
private static final Integer SOCKET_TIME_OUT_UPPER_LIMIT = 10000;
/** socketTimeOut下限 */
private static final Integer SOCKET_TIME_OUT_LOWER_LIMIT = 1000;
private static CloseableHttpClient getHttpClient() {
RequestConfig requestConfig = RequestConfig.custom().setSocketTimeout(DEFAULT_SOCKET_TIME_OUT)
.setConnectTimeout(DEFAULT_CONNECTION_TIME_OUT).build();
return HttpClients.custom().setDefaultRequestConfig(requestConfig)
.setRetryHandler(new DefaultHttpRequestRetryHandler()).build();
}
private static CloseableHttpClient getHttpClient(Integer socketTimeOut) {
RequestConfig requestConfig =
RequestConfig.custom().setSocketTimeout(socketTimeOut).setConnectTimeout(DEFAULT_CONNECTION_TIME_OUT)
.build();
return HttpClients.custom().setDefaultRequestConfig(requestConfig)
.setRetryHandler(new DefaultHttpRequestRetryHandler()).build();
}
public static String doPost(String url, String requestBody) throws Exception {
return doPost(url, requestBody, ContentType.APPLICATION_JSON);
}
public static String doPost(String url, String requestBody, Integer socketTimeOut) throws Exception {
return doPost(url, requestBody, ContentType.APPLICATION_JSON, null, socketTimeOut);
}
public static String doPost(String url, String requestBody, ContentType contentType) throws Exception {
return doPost(url, requestBody, contentType, null);
}
public static String doPost(String url, String requestBody, List<BasicHeader> headers) throws Exception {
return doPost(url, requestBody, ContentType.APPLICATION_JSON, headers);
}
public static String doPost(String url, String requestBody, ContentType contentType, List<BasicHeader> headers)
throws Exception {
return doPost(url, requestBody, contentType, headers, getHttpClient());
}
public static String doPost(String url, String requestBody, ContentType contentType, List<BasicHeader> headers,
Integer socketTimeOut) throws Exception {
if (socketTimeOut < SOCKET_TIME_OUT_LOWER_LIMIT || socketTimeOut > SOCKET_TIME_OUT_UPPER_LIMIT) {
log.error("socketTimeOut非法");
throw new Exception();
}
return doPost(url, requestBody, contentType, headers, getHttpClient(socketTimeOut));
}
/**
* 通用Post远程服务请求
* @param url
* 请求url地址
* @param requestBody
* 请求体body
* @param contentType
* 内容类型
* @param headers
* 请求头
* @return String 业务自行解析
* @throws Exception
*/
public static String doPost(String url, String requestBody, ContentType contentType, List<BasicHeader> headers,
CloseableHttpClient client) throws Exception {
// 构造http方法,设置请求和传输超时时间,重试3次
CloseableHttpResponse response = null;
long startTime = System.currentTimeMillis();
try {
HttpPost post = new HttpPost(url);
if (!CollectionUtils.isEmpty(headers)) {
for (BasicHeader header : headers) {
post.setHeader(header);
}
}
StringEntity entity =
new StringEntity(requestBody, ContentType.create(contentType.getMimeType(), DEFAULT_CHAR_SET));
post.setEntity(entity);
response = client.execute(post);
if (response.getStatusLine().getStatusCode() != HttpStatus.OK.value()) {
log.error("业务请求返回失败:{}", EntityUtils.toString(response.getEntity()));
throw new Exception();
}
String result = EntityUtils.toString(response.getEntity());
return result;
} finally {
releaseResourceAndLog(url, requestBody, response, startTime);
}
}
/**
* 暂时用于智慧园区业务联调方式
* @param url 业务请求url
* @param param 业务参数
* @return
* @throws Exception
*/
public static String doPostWithUrlEncoded(String url,
Map<String, String> param) throws Exception {
// 创建Httpclient对象
CloseableHttpClient httpClient = getHttpClient();
CloseableHttpResponse response = null;
long startTime = System.currentTimeMillis();
try {
// 创建Http Post请求
HttpPost httpPost = new HttpPost(url);
// 创建参数列表
if (param != null) {
List<org.apache.http.NameValuePair> paramList = new ArrayList<>();
for (String key : param.keySet()) {
paramList.add(new BasicNameValuePair(key, param.get(key)));
}
// 模拟表单
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList, DEFAULT_CHAR_SET);
httpPost.setEntity(entity);
}
// 执行http请求
response = httpClient.execute(httpPost);
if (response.getStatusLine().getStatusCode() != HttpStatus.OK.value()) {
log.error("业务请求返回失败:{}" , EntityUtils.toString(response.getEntity()));
throw new Exception();
}
String resultString = EntityUtils.toString(response.getEntity(), DEFAULT_CHAR_SET);
return resultString;
} finally {
releaseResourceAndLog(url, param == null ? null : param.toString(), response, startTime);
}
}
private static void releaseResourceAndLog(String url, String request, CloseableHttpResponse response, long startTime) {
if (null != response) {
try {
response.close();
recordInterfaceLog(startTime, url, request);
} catch (IOException e) {
log.error(e.getMessage());
}
}
}
public static String doGet(String url) throws Exception {
return doGet(url, ContentType.DEFAULT_TEXT);
}
public static String doGet(String url, ContentType contentType) throws Exception {
return doGet(url, contentType, null);
}
public static String doGet(String url, List<BasicHeader> headers) throws Exception {
return doGet(url, ContentType.DEFAULT_TEXT, headers);
}
/**
* 通用Get远程服务请求
* @param url
* 请求参数
* @param contentType
* 请求参数类型
* @param headers
* 请求头可以填充
* @return String 业务自行解析数据
* @throws Exception
*/
public static String doGet(String url, ContentType contentType, List<BasicHeader> headers) throws Exception {
CloseableHttpResponse response = null;
long startTime = System.currentTimeMillis();
try {
CloseableHttpClient client = getHttpClient();
HttpGet httpGet = new HttpGet(url);
if (!CollectionUtils.isEmpty(headers)) {
for (BasicHeader header : headers) {
httpGet.setHeader(header);
}
}
if(contentType != null){
httpGet.setHeader("Content-Type", contentType.getMimeType());
}
response = client.execute(httpGet);
if (response.getStatusLine().getStatusCode() != HttpStatus.OK.value()) {
log.error("业务请求返回失败:{}", EntityUtils.toString(response.getEntity()));
throw new Exception();
}
String result = EntityUtils.toString(response.getEntity());
return result;
} finally {
releaseResourceAndLog(url, null, response, startTime);
}
}
private static void recordInterfaceLog(long startTime, String url, String request) {
long endTime = System.currentTimeMillis();
long timeCost = endTime - startTime;
MDC.put("totalTime", String.valueOf(timeCost));
MDC.put("url", url);
MDC.put("logType", "third-platform-service");
log.info("HttpClientSslUtils 远程请求:{} 参数:{} 耗时:{}ms", url, request, timeCost);
}
}
2. JSON conversion tool class
@Slf4j
public class JsonUtil {
/**
* 定义映射对象
*/
public static ObjectMapper objectMapper = new ObjectMapper();
/**
* 日期格式化
*/
private static final String DATE_FORMAT = "yyyy-MM-dd HH:mm:ss";
static {
//对象的所有字段全部列入
objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
//取消默认转换timestamps形式
objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
//忽略空Bean转json的错误
objectMapper.configure(SerializationFeature.FAIL_ON_EMPTY_BEANS, false);
//所有的日期格式都统一为以下的样式，即yyyy-MM-dd HH:mm:ss
objectMapper.setDateFormat(new SimpleDateFormat(DATE_FORMAT));
//忽略 在json字符串中存在，但是在java对象中不存在对应属性的情况。防止错误
objectMapper.configure(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES, false);
}
/**
* string转JsonNode
*
* @param jsonString
* @return com.fasterxml.jackson.databind.JsonNode
*/
public static JsonNode stringToJsonNode(String jsonString) throws JsonProcessingException {
return objectMapper.readTree(jsonString);
}
/**
* 对象转json字符串
*
* @param obj
* @param <T>
*/
public static <T> String objToString(T obj) {
if (obj == null) {
return null;
}
try {
return obj instanceof String ? (String) obj : objectMapper.writeValueAsString(obj);
} catch (JsonProcessingException e) {
log.warn("Parse Object to String error : {}", e.getMessage());
return null;
}
}
/**
* 对象转格式化的字符串字符串
*
* @param obj
* @param <T>
* @return
*/
public static <T> String objToPrettyString(T obj) {
if (obj == null) {
return null;
}
try {
return obj instanceof String ? (String) obj : objectMapper.writerWithDefaultPrettyPrinter().writeValueAsString(obj);
} catch (JsonProcessingException e) {
log.warn("Parse Object to String error : {}", e.getMessage());
return null;
}
}
/**
* json字符串转对象
*
* @param jsonString
* @param cls
* @param <T>
*/
public static <T> T stringToObj(String jsonString, Class<T> cls) {
if (StringUtils.isEmpty(jsonString) || cls == null) {
return null;
}
try {
return cls.equals(String.class) ? (T) jsonString : objectMapper.readValue(jsonString, cls);
} catch (JsonProcessingException e) {
log.warn("Parse String to Object error : {}", e.getMessage());
return null;
}
}
/**
* json字符串转对象(复杂泛型类型)
*
* @param jsonString
* @param typeReference
* @param <T>
* @return
*/
public static <T> T stringToObj(String jsonString, TypeReference<T> typeReference) {
if (StringUtils.isEmpty(jsonString) || typeReference == null) {
return null;
}
try {
return typeReference.getType().equals(String.class) ? (T) jsonString : objectMapper.readValue(jsonString, typeReference);
} catch (JsonProcessingException e) {
log.warn("Parse String to Object error : {}", e.getMessage());
return null;
}
}
}
3. Obtain accessToken and phone
public JSONObject getPhoneNumber(String code) {
JSONObject phone;
// 获取token
String token_url = String.format("https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s", APPID, SECRET);
try {
JSONObject token = JSON.parseObject(HttpClientSslUtils.doGet(token_url));
if (token == null) {
log.info("获取token失败");
return null;
}
String accessToken = token.getString("access_token");
if (StringUtils.isEmpty(accessToken)) {
log.info("获取token失败");
return null;
}
log.info("token : {}", accessToken);
//获取phone
String url = "https://api.weixin.qq.com/wxa/business/getuserphonenumber"
+ "?access_token=" + accessToken;
JSONObject jsonObject = new JSONObject();
jsonObject.put("code", code);
String reqJsonStr = JsonUtil.objToString(jsonObject);
phone = JSON.parseObject(HttpClientSslUtils.doPost(url, reqJsonStr));
if (phone == null) {
log.info("获取手机号失败");
return null;
}
return phone;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
Remember to import the jar package:
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.76</version>
</dependency>