java中的接口是类吗
317
2022-12-30
java客户端线上Apollo服务端的实现
1.指定环境
1.1 在C:\opt\settings\下有server.properties
env=DEV是对应服务器上的如下图
apollo.meta=http://192.168.1.143:8070是你服务端的端口号
1.2 在C:\opt\data\babel023\config-cache有这四个文件
2.在META-INF下创建app.properties
3.创建个SimpleApolloConfig
package com.fqgj.rest;
import com.google.common.base.Charsets;
import com.ctrip.framework.apollo.Config;
import com.ctrip.framework.apollo.ConfigChangeListener;
import com.ctrip.framework.apollo.ConfigService;
import com.ctrip.framework.apollo.model.ConfigChange;
import com.ctrip.framework.apollo.model.ConfigChangeEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
/**
* @author Jason Song(song_s@ctrip.com)
*/
public class SimpleApolloConfigDemo {
private static final Logger logger = LoggerFactory.getLogger(SimpleApolloConfigDemo.class);
private String DEFAULT_VALUE = "undefined";
private Config config;
public SimpleApolloConfigDemo() {
ConfigChangeListener changeListener = new ConfigChangeListener() {
@Override
public void onChange(ConfigChangeEvent changeEvlvohxvtent) {
logger.info("Changes for namespace {}", changeEvent.getNamespace());
for (String key : changeEvent.changedKeys()) {
ConfigChange change = changeEvent.getChange(key);
logger.info("Change - key: {}, oldValue: {}, newValue: {}, changeType: {}",
change.getPropertyName(), change.getOldValue(), change.getNewValue(),
change.getChangeType());
}
}
};
config = ConfigService.getAppConfig();
config.addChangeListener(changeListener);
}
private String getConfig(String key) {
String result = config.getProperty(key, DEFAULT_VALUE);
logger.info(String.format("Loading key : %s with value: %s", key, result));
return result;
}
public static void main(String[] args) throws IOException {
SimpleApolloConfigDemo apolloConfigDemo = new SimpleApolloConfigDemo();
System.out.println(
"Apollo Config Demo. Please input key to get the value. Input quit to exit.");
while (true) {
System.out.print("> ");
String inpuhttp://t = new BufferedReader(new InputStreamReader(System.in, Charsets.UTF_8)).readLine();
http:// if (input == null || input.length() == 0) {
continue;
}
input = input.trim();
if (input.equalsIgnoreCase("quit")) {
System.exit(0);
}
String ccc= apolloConfigDemo.getConfig(input);
System.out.println(ccc);
}
}
}
运行结果如下
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