greenyleaf’s gists

greenyleaf / QqwryParser.java

Created July 5, 2022 00:18

a Geo IP library parser of qqwry, cz88

	@Component
	@Slf4j
	public class QqwryParser {
	@Value("qqwry.dat")
	private ClassPathResource resource;

	public String[] versionInfo() throws IOException {
	try (RandomAccessFile file = new RandomAccessFile(resource.getFile(), "r")) {
	file.seek(4);
	int lastIndexRecordOffset = Integer.reverseBytes(file.readInt());

greenyleaf / my-coupons.ftlh

Last active June 19, 2020 13:48

a mobile page Freemarker template of coupons list, used a little CSS3.

	<!DOCTYPE html>
	<html lang="zh">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport"
	content="width=device-width,user-scalable=no,initial-scale=1,maximum-scale=1,minimum-scale=1,viewport-fit=cover">
	<meta name="format-detection" content="telephone=no">
	<meta name="applicable-device" content="mobile">
	<meta name="screen-orientation" content="portrait">
	<title>我的优惠券</title>

greenyleaf / WxAuthInterceptor.java

Created June 19, 2020 13:30

a Spring interceptor for Weixin(wechat) oauth2

	package top.sdrkyj.custom.config;

	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;
	import org.springframework.stereotype.Component;
	import org.springframework.web.servlet.handler.HandlerInterceptorAdapter;
	import org.springframework.web.util.UriComponentsBuilder;

	import javax.servlet.http.HttpServletRequest;
	import javax.servlet.http.HttpServletResponse;

greenyleaf / WxService.java

Created June 19, 2020 13:27

a Spring service for Weixin(wechat) oauth2

	package top.sdrkyj.custom.service;

	import com.alibaba.fastjson.JSON;
	import top.sdrkyj.custom.dao.weixin.WxUserInfoDao;
	import top.sdrkyj.custom.entity.weixin.WxAccessToken;
	import top.sdrkyj.custom.entity.weixin.WxUserInfo;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;
	import org.springframework.beans.factory.annotation.Value;
	import org.springframework.stereotype.Service;

greenyleaf / WxController.java

Last active June 19, 2020 13:27

a Spring controller for Weixin(wechat) page authorization, enhanced security.

	package top.sdrkyj.custom.controller;

	import top.sdrkyj.custom.config.WxAuthInterceptor;
	import top.sdrkyj.custom.dto.RestMsg;
	import top.sdrkyj.custom.entity.weixin.WxUserInfo;
	import top.sdrkyj.custom.service.WxService;
	import org.apache.commons.codec.binary.Hex;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;
	import org.springframework.beans.factory.annotation.Value;

greenyleaf / InvoiceDao.java

Last active June 19, 2020 12:30

a MyBatis DAO interface, CRUD

	package top.sdrkyj.custom.dao;

	import top.sdrkyj.custom.entity.Invoice;
	import org.apache.ibatis.annotations.Mapper;
	import org.apache.ibatis.annotations.Param;
	import org.springframework.stereotype.Repository;

	import java.util.List;

	@Repository

greenyleaf / CkMsg.java

Last active June 19, 2020 12:53

Response entity class for returning messages after uploading files from CKEditor 4.

	package top.sdrkyj.custom.dto;

	import com.fasterxml.jackson.annotation.JsonInclude;

	@JsonInclude(value = JsonInclude.Include.NON_NULL, content = JsonInclude.Include.NON_NULL)
	public class CkMsg {
	/**
	* null is permitted。 the filename for the uploaded file
	*/
	private String fileName;

greenyleaf / AccessInterceptor.java

Last active June 19, 2020 11:47

an interceptor in Spring MVC for logging user access, using DAO persistence and Logback logging. Process the forwarded request.

	package top.sdrkyj.custom.config;

	import top.sdrkyj.custom.entity.AccessLog;
	import top.sdrkyj.custom.entity.Account;
	import top.sdrkyj.custom.service.AccessLogService;
	import org.apache.shiro.SecurityUtils;
	import org.apache.shiro.subject.PrincipalCollection;
	import org.slf4j.Logger;
	import org.slf4j.LoggerFactory;
	import org.springframework.stereotype.Component;

greenyleaf / ajax-file-upload.js

Last active March 29, 2021 12:30

Upload files using ajax. Using FormData only if there are file fields in the form, to reduce the upload size when not needed.

	$.ajax('http://custom.sdrkyj.top/form-action-url', {
	contentType: hasFiles ? false : undefined,
	data: hasFiles ? new FormData(formDom) : $(formDom).serialize(),
	method: 'post',// 'patch'
	dataType: 'json',
	processData: !hasFiles,
	xhr: function () {
	let xhr = $.ajaxSettings.xhr();
	hasFiles && xhr.upload.addEventListener('progress', function (e) {
	if (e.lengthComputable && e.total > 1 << 17) {

greenyleaf / china-national-radio.m3u8

Last active April 9, 2021 05:18

China National Radio streams

	#EXTM3U
	#EXTINF:60,中国之声
	#EXTVLCOPT:network-caching=1000
	http://ngcdn001.cnr.cn/live/zgzs/index.m3u8
	#EXTINF:60,中国之声 low resolution
	#EXTVLCOPT:network-caching=1000
	http://ngcdn001.cnr.cn/live/zgzs48/index.m3u8
	#EXTINF:60,经济之声
	#EXTVLCOPT:network-caching=1000
	http://ngcdn002.cnr.cn/live/jjzs/index.m3u8

Z greenyleaf