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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