1。获取文件路径
/** BookController.class.getClassLoader().getResource("static/json/book_nav.json").getPath() 获取当期运行时的项目json文件路径*/JSONObject json = JsonResourceUtils.getJsonObjFromResource(BookController.class.getClassLoader().getResource("static/json/book_nav.json").getPath());Set<Entry<String, Object>> entrySets=json.entrySet();/** 取出json数据*/for(Entry<String, Object> entrySet: entrySets){if(entrySet.getKey().equals("bookNavs"))model.addAttribute("bookNavs",entrySet.getValue());}
2.读取json文件
package com.feilong.reptile.util;import java.io.File; import java.io.IOException;import org.apache.commons.io.FileUtils; import org.apache.log4j.Logger;import com.alibaba.fastjson.JSON; import com.alibaba.fastjson.JSONObject;public class JsonResourceUtils{private static Logger logger = Logger.getLogger(JsonResourceUtils.class);/** filePath文件路径* @param filePath*/public static JSONObject getJsonObjFromResource(String filePath){JSONObject json = null;if (!filePath.contains(".json")) {filePath += ".json";}File file = new File(filePath);if (file.exists()) {String content=null;try {content = FileUtils.readFileToString(file, "UTF-8");} catch (IOException e) { e.printStackTrace();logger.info("readFileToString: " + e.getMessage());}json = JSON.parseObject(content);} else {logger.info("file not exist!");}return json;}}
3.pom 依赖
<dependency><groupId>com.alibaba</groupId><artifactId>fastjson</artifactId><version>1.2.58</version></dependency><!-- https://mvnrepository.com/artifact/log4j/log4j --> <dependency><groupId>log4j</groupId><artifactId>log4j</artifactId><version>1.2.17</version> </dependency>
