微信小程序开发-小程序完整demo：飞翔的小鸟：canvas实现，java后端(适用1221)案例源码.zip

package me.jxy.flappy.controller; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.InitializingBean; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestBody; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import com.google.common.collect.Lists; import com.google.common.collect.Maps; import com.google.common.primitives.Ints; import lombok.Data; import java.util.Collections; import java.util.List; import java.util.Map; import java.util.Random; /** * flappy-bird排行榜api，仅用于测试 * * @version 1.0 * @author jiangxy */ @Controller @RequestMapping("/flappy") public class WXController implements InitializingBean { private static Logger logger = LoggerFactory.getLogger(WXController.class); /**TOP50排行榜*/ public static final int LIST_SIZE = 20; /** * 一个容器，暂存每个用户的成绩 */ @Data static class Record implements Comparable<Record> { private String openId; private String name; private String pic; private Integer score; @Override public int compareTo(Record o) { return Ints.compare(o.score, this.score); } } // 用一个map暂存数据，模拟DB // 正常情况下map的key应该是openId的，因为openId才能唯一确认一个用户 // 但还要解密，懒得搞了。。。用昵称做key吧 private Map<String, Record> map = Maps.newHashMap(); /** * 汇报一条数据 * * @param record * @return */ @RequestMapping("send") @ResponseBody public synchronized String send(@RequestBody Record record) { logger.info("receive record: " + record); Record old = map.get(record.getName()); try { if (old == null || record.getScore() > old.getScore()) { map.put(record.getName(), record); } } catch (Exception e) { logger.error("update record error", e); return "FAIL"; } return "OK"; } /** * 获取排行榜 * * @return */ @RequestMapping("getList") @ResponseBody public synchronized List<Record> getList() { List<Record> records = Lists.newArrayList(map.values()); Collections.sort(records); if (records.size() < LIST_SIZE) return records; else return records.subList(0, LIST_SIZE); } /** * 检查API是否正常 * * @return */ @RequestMapping("status") @ResponseBody public String status() { logger.info("check api status"); return "OK"; } @Override public void afterPropertiesSet() throws Exception { Random rand = new Random(); // 生成一些测试数据 for (int i = 0; i < 50; i++) { Record record = new Record(); record.setName(String.format("我是用户%02d号", i)); int score = rand.nextInt(50); record.setScore(score); map.put(record.getName(), record); } } }