zoukankan      html  css  js  c++  java
  • 反射 与文件读写 泛型参数

    最近公司项目需要根据bean生成对应的yaml配置文件,需要用到反射和文件操作,API总结如下:

    文件读写:

            File file = new File(path);
            file.isDirectory();
            File[] files = file.listFiles();
    
                    String name = file1.getAbsolutePath();
                    name = file1.getName();
    
    
            File file = new File(path + c.getSimpleName() + ".yaml");
            if (file.exists()) {
                file.delete();
            }
            file.createNewFile();
            FileWriter fileWriter = new FileWriter(file);
            BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
    
            bufferedWriter.write("definitions:");
            bufferedWriter.newLine();
    
            bufferedWriter.flush();
            bufferedWriter.close();

    反射:

    Class c =  Class.forName("model." + name);
    Field[] fields = c.getDeclaredFields();
    Class c = field.getType();
    field.getType().getSimpleName()
    //泛型参数
            Type fieldType = field.getGenericType();
            //获取对应的泛型类
            Type type = ((ParameterizedType) fieldType).getActualTypeArguments()[0];
            String name = type.getTypeName();    
  • 相关阅读:
    python字典实现原理-哈希函数-解决哈希冲突方法
    ElasticSearch-倒排索引
    ElasticSearch-核心概念
    MarkdownPad2基础语法
    下载python3.6,进行编译安装,运行django程序
    linux-指令1
    注解和反射
    Htlm和Css
    JAVASE加强
    网络编程
  • 原文地址:https://www.cnblogs.com/heapStark/p/8253431.html
Copyright © 2011-2022 走看看