解决JavaWeb读取本地json文件以及乱码的问题

JsonParser parser = new JsonParser();
    JsonObject object = (JsonObject) parser.parse(new FileReader("config/Test.json"));

D:\Program Files\Tomcat 8.0\webapps\Test\WEB-INF\classes\Test.json 

String path = JsonUtil.class.getClassLoader().getResource("/Test.json").getPath().replace("%20", " ");
JsonParser parser = new JsonParser();
    JsonObject object = (JsonObject) parser.parse(new FileReader(path ));

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import com.google.gson.JsonArray;
import com.google.gson.JsonIOException;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.JsonSyntaxException;
/**
 * @author LK 
 */
public class JsonUtil {
/**
   * 读取本地json文件，获取json格式字符串
   * @return
   */
  public static String getJsonString(){
    String path = JsonUtil.class.getClassLoader().getResource("/Test.json").getPath().replace("%20", " ");
    File file = new File(path);
    try {
      FileReader fileReader = new FileReader(file);
      Reader reader = new InputStreamReader(new FileInputStream(file),"utf-8");
      int ch = 0;
      StringBuffer sb = new StringBuffer();
      while ((ch = reader.read()) != -1) {
        sb.append((char) ch);
      }
      fileReader.close();
      reader.close();
      String jsonString = sb.toString();
      return jsonString;
    } catch (IOException e) {
      e.printStackTrace();
      return null;
    }
  }
}

String jsonString = JsonUtil.getJsonString();
JsonParser parser = new JsonParser();
    JsonObject object = (JsonObject) parser.parse(jsonString);