package com.moral.api.utils;

import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;

import java.io.*;

public class JsonUtil {

    /**
     * 读取JSON文件转换为字符串
     * @param filePath
     * @return
     */
    public static String readJsonFile(String filePath) {
        String jsonStr = "";
        try {
            File jsonFile = new File(filePath);
            Reader reader = new InputStreamReader(new FileInputStream(jsonFile), "utf-8");
            int ch = 0;
            StringBuffer sb = new StringBuffer();
            while ((ch = reader.read()) != -1) {
                sb.append((char) ch);
            }
            reader.close();
            jsonStr = sb.toString();
            return jsonStr;
        } catch (Exception ex) {
            ex.printStackTrace();
            return null;
        }
    }

    public static String testReadFile(String filePath) throws IOException {
//        ClassPathResource classPathResource = new ClassPathResource("resource.properties");
        String jsonStr = "";
        Resource resource = new ClassPathResource(filePath);
        InputStream is = resource.getInputStream();
        Reader reader = new InputStreamReader(resource.getInputStream(), "utf-8");
        int ch = 0;
        StringBuffer sb = new StringBuffer();
        while ((ch = reader.read()) != -1) {
            sb.append((char) ch);
        }
        reader.close();
        jsonStr = sb.toString();
        return jsonStr;
    }

}