springboot+mybatis+resteasy.rar_mybatis_springboot_springboot my

package com.guodian.kpi.common; import java.text.SimpleDateFormat; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.databind.SerializationFeature; /** * Json帮助类 * * @author twz */ public final class JsonUtils { private static final ObjectMapper objectMapper = new ObjectMapper(); static { objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false); objectMapper.setDateFormat(new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS")); } private JsonUtils() { } public static final String toJson(Object obj) { try { return objectMapper.writeValueAsString(obj); } catch (Throwable e) { throw new RuntimeException(e); } } public static final <T> T toObject(Class<T> clazz, String json) { try { return objectMapper.readValue(json, clazz); } catch (Throwable e) { throw new RuntimeException(e); } } private static String getLevelStr(int level) { StringBuffer levelStr = new StringBuffer(); for (int levelI = 0; levelI < level; levelI++) { levelStr.append(" "); } return levelStr.toString(); } public static String formatJson(String s) { int level = 0; StringBuffer jsonForMatStr = new StringBuffer(); for (int index = 0; index < s.length(); index++)// 将字符串中的字符逐个按行输出 { // 获取s中的每个字符 char c = s.charAt(index); // level大于0并且jsonForMatStr中的最后一个字符为\n,jsonForMatStr加入\t if (level > 0 && '\n' == jsonForMatStr.charAt(jsonForMatStr.length() - 1)) { jsonForMatStr.append(getLevelStr(level)); } // 遇到"{"和"["要增加空格和换行，遇到"}"和"]"要减少空格，以对应，遇到","要换行 switch (c) { case '{': case '[': jsonForMatStr.append(c); if (s.charAt(index+1) != '\n'){ jsonForMatStr.append("\n"); } level++; break; case ',': jsonForMatStr.append(c); if (s.charAt(index+1) != '\n'){ jsonForMatStr.append("\n"); } break; case '}': case ']': jsonForMatStr.append(c); if (s.charAt(index+1) != '\n'){ jsonForMatStr.append("\n"); } level--; jsonForMatStr.append(getLevelStr(level)); jsonForMatStr.append(c); break; default: jsonForMatStr.append(c); break; } } return jsonForMatStr.toString(); } } /* * 修改历史 * $Log$ */