package com.mes.common;
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import com.alibaba.fastjson.JSONException;
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import com.alibaba.fastjson.JSONObject;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.core.io.Resource;
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import java.io.*;
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public class ReadFile {
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// 读取Json文件内容
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public static JSONObject readJson(String fileUrl) throws IOException {
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// 资源路径（相对于resources根目录）
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//String resourcePath = "jsonFile/"+fileName;
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//String resourcePath = System.getProperty("user.dir") + "/JsonFile/"+fileName;
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String resourcePath = fileUrl;
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// 获取类加载器
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//ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
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// 读取资源
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try (InputStream inputStream = new FileInputStream(resourcePath)) {
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//try (InputStream inputStream = classLoader.getResourceAsStream(resourcePath)) {
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if (inputStream == null) {
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throw new IOException("资源未找到: " + resourcePath);
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}
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StringBuilder content = new StringBuilder();
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// 读取文本内容
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BufferedReader reader = new BufferedReader(new InputStreamReader(inputStream));
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String line;
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while ((line = reader.readLine()) != null) {
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content.append(line);
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}
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String str = content.toString();
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return JSONObject.parseObject(str);
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} catch (IOException e) {
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e.printStackTrace();
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} catch (JSONException e) {
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throw new RuntimeException(e);
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}
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return null;
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}
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}
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