//实时气温 String temUrl = tem(dboHourDataVos, temperature, "tem"); //今日最高气温 String temMax = tem(dboHourDataVos, temperature, "temDayMax"); //今日最低气温 String temMin = tem(dboHourDataVos, temperature, "temDayMin"); //近2小时降水 String pre2h = rain(dboHourDataVos, precipitation, "pre2h"); //近6小时降水 String pre6h = rain(dboHourDataVos, precipitation, "pre6h"); //近12小时降水 String pre12h = rain(dboHourDataVos, precipitation, "pre12h"); Map<String, String> map = new HashMap<>(); map.put("temUrl", temUrl); map.put("temMax", temMax); map.put("temMin", temMin); map.put("pre2h", pre2h); map.put("pre6h", pre6h); map.put("pre12h", pre12h); //用java8把上面6个方法改为多线程
时间: 2023-05-17 19:03:28 浏览: 114
这段代码可以使用Java8的Stream API和CompletableFuture来实现多线程。具体实现如下:
```
Map<String, String> map = new HashMap<>();
CompletableFuture<String> temUrlFuture = CompletableFuture.supplyAsync(() -> tem(dboHourDataVos, temperature, "tem"));
CompletableFuture<String> temMaxFuture = CompletableFuture.supplyAsync(() -> tem(dboHourDataVos, temperature, "temDayMax"));
CompletableFuture<String> temMinFuture = CompletableFuture.supplyAsync(() -> tem(dboHourDataVos, temperature, "temDayMin"));
CompletableFuture<String> pre2hFuture = CompletableFuture.supplyAsync(() -> rain(dboHourDataVos, precipitation, "pre2h"));
CompletableFuture<String> pre6hFuture = CompletableFuture.supplyAsync(() -> rain(dboHourDataVos, precipitation, "pre6h"));
CompletableFuture<String> pre12hFuture = CompletableFuture.supplyAsync(() -> rain(dboHourDataVos, precipitation, "pre12h"));
try {
map.put("temUrl", temUrlFuture.get());
map.put("temMax", temMaxFuture.get());
map.put("temMin", temMinFuture.get());
map.put("pre2h", pre2hFuture.get());
map.put("pre6h", pre6hFuture.get());
map.put("pre12h", pre12hFuture.get());
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
}
```
这样,每个方法都会在不同的线程中执行,提高了程序的效率。