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- package org.jeecg.common.util;
- import com.alibaba.fastjson.JSON;
- import com.alibaba.fastjson.JSONArray;
- import com.alibaba.fastjson.JSONObject;
- import org.apache.commons.io.IOUtils;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import org.springframework.core.io.ClassPathResource;
- import java.io.InputStream;
- import java.nio.charset.StandardCharsets;
- import java.util.ArrayList;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- /**
- * Created by JQ.bi on 2020.06.03
- */
- public class JsonResourceUtil {
- private static Logger logger = LoggerFactory.getLogger(JsonResourceUtil.class);
- private JsonResourceUtil() {
- }
- //filename 为文件名字 如 “/json/app_version_info.json”
- public static JSONObject getJsonObjFromResource(String filename) {
- JSONObject json = null;
- if (!filename.contains(".json")) {
- filename += ".json";
- }
- try {
- ClassPathResource classPathResource = new ClassPathResource(filename);
- if (classPathResource.exists()) {
- InputStream inputStream = classPathResource.getInputStream();
- String content = IOUtils.toString(inputStream, StandardCharsets.UTF_8);
- json = JSON.parseObject(content);
- } else {
- logger.info("file not exist!");
- }
- } catch (Exception e) {
- e.printStackTrace();
- logger.info("readFileToString" + e.getMessage());
- }
- return json;
- }
- //json文件转化为JSONArray
- public static JSONArray getJsonArrFromResource(String filename) {
- JSONArray json = null;
- if (!filename.contains(".json")) {
- filename += ".json";
- }
- try {
- ClassPathResource classPathResource = new ClassPathResource(filename);
- if (classPathResource.exists()) {
- InputStream inputStream = classPathResource.getInputStream();
- String content = IOUtils.toString(inputStream, StandardCharsets.UTF_8);
- json = JSON.parseArray(content);
- } else {
- logger.info("file not exist!");
- }
- } catch (Exception e) {
- e.printStackTrace();
- logger.info("readFileToString" + e.getMessage());
- }
- return json;
- }
- public static Map<String, Map<String, Object>> jsonToMap(Object jsonObj) {
- JSONObject jsonObject = JSONObject.parseObject(jsonObj.toString());
- Map<String, Map<String, Object>> mapMap = new HashMap<>();
- jsonObject.forEach((key, value) -> mapMap.put(key, JSONObject.parseObject(value.toString())));
- return mapMap;
- }
- /**
- * 拼接字段
- */
- public static String joinFiled(Map<String, Map<String, Object>> mapMap, JSONArray array) {
- StringBuilder sb = new StringBuilder();
- array.forEach(it -> {
- if (mapMap.get(it) == null) {
- sb.append(it).append(",");
- } else {
- sb.append(mapMap.get(it.toString()).get("filed")).append(",");
- }
- });
- return sb.deleteCharAt(sb.length() - 1).toString();
- }
- /**
- * 拼接title
- */
- public static List<String> joinTitle(Map<String, Map<String, Object>> mapMap, JSONArray array) {
- List<String> titles = new ArrayList<>(20);
- array.forEach(it -> {
- if (mapMap.get(it) == null) {
- titles.add("");
- } else {
- titles.add(mapMap.get(it.toString()).get("comment").toString());
- }
- });
- return titles;
- }
- /**
- * 拼接字段
- */
- public static String joinAllFiled(Map<String, Map<String, Object>> mapMap) {
- StringBuilder sb = new StringBuilder();
- mapMap.forEach((k, v) -> sb.append(v.get("filed")).append(","));
- return sb.deleteCharAt(sb.length() - 1).toString();
- }
- }
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