如何在spring boot中优雅的获取.yml文件工具类呢
代码如下：
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package com.common.base.utils.base;
import com.common.base.generator.resourcemanager;
import org.yaml.snakeyaml.yaml;
import java.io.inputstream;
import java.util.hashmap;
import java.util.map;
/**
* yml文件工具类
*/
public class ymlutils {
private static string bootstrap_file = "bootstrap.yml";
private static map<string,string> result = new hashmap<>();
/**
* 根据文件名获取yml的文件内容
* @return
*/
public static map<string,string> getymlbyfilename(string file){
result = new hashmap<>();
if(file == null)
file = bootstrap_file;
inputstream in = resourcemanager.class.getclassloader().getresourceasstream(file);
yaml props = new yaml();
object obj = props.loadas(in,map.class);
map<string,object> param = (map<string, object>) obj;
for(map.entry<string,object> entry:param.entryset()){
string key = entry.getkey();
object val = entry.getvalue();
if(val instanceof map){
foreachyaml(key,(map<string, object>) val);
}else{
result.put(key,val.tostring());
}
}
return result;
}
/**
* 根据key获取值
* @param key
* @return
*/
public static string getvalue(string key){
map<string,string> map = getymlbyfilename(null);
if(map==null)return null;
return map.get(key);
}
/**
* 遍历yml文件，获取map集合
* @param key_str
* @param obj
* @return
*/
public static map<string,string> foreachyaml(string key_str,map<string, object> obj){
for(map.entry<string,object> entry:obj.entryset()){
string key = entry.getkey();
object val = entry.getvalue();
string str_new = "";
if(stringutils.isnotnull(key_str)){
str_new = key_str+ "."+key;
}else{
str_new = key;
}
if(val instanceof map){
foreachyaml(str_new,(map<string, object>) val);
}else{
result.put(str_new,val.tostring());
}
}
return result;
}
/**
* 获取bootstrap.yml的name
* @return
*/
public static string getapplicationname(){
return getymlbyfilename(bootstrap_file).get("spring.application.name");
}
/**
* 获取bootstrap.yml的name
* @return
*/
public static string getapplicationname1(){
string name = getymlbyfilename(bootstrap_file).get("spring.application.name");
return name + "center";
}
public static void main(string[] args) {
system.out.println(getapplicationname());
}
}
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