278 lines
8.8 KiB
Java
278 lines
8.8 KiB
Java
package com.ag.util;
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import com.alibaba.fastjson.JSON;
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import com.alibaba.fastjson.JSONArray;
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import com.alibaba.fastjson.serializer.SerializerFeature;
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import org.json.JSONObject;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.net.URLConnection;
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import java.text.DateFormat;
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import java.text.ParseException;
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import java.text.SimpleDateFormat;
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import java.util.*;
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/**
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* Created by shaoqiang on 8/28/16.
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*/
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public class CommonUtil {
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/**
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* 返回表格的beanlist
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* @param object
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* @param controlName
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* @param cudType
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* @param objeclass
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* @return
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*/
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public static List getBeanlist(JSONObject object, String controlName, String cudType, Class objeclass){
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if (StrUtil.isEmpty(controlName)){
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controlName = "datatable";
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}
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String datarec1=((com.alibaba.fastjson.JSONObject) JSON.parseArray(object.getString(controlName)).get(0)).get(cudType).toString();
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return JSON.parseArray(datarec1, objeclass);
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}
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/**
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* 获取grid中需强制更新的列名
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* @param controlName
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* @return
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*/
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public static String[] getNeedColsByJson(JSONObject object, String controlName){
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if (StrUtil.isEmpty(controlName)){
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controlName = "datatable";
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}
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String[] keys = null;
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JSONArray jsonArray = JSON.parseArray(object.getString(controlName)).getJSONObject(0).getJSONArray("update");
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if (!jsonArray.isEmpty()){
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com.alibaba.fastjson.JSONObject jsonObject = jsonArray.getJSONObject(0);
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Set<String> keySet = jsonObject.keySet();
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keySet.removeIf(key -> key.contains("#"));
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keys = new String[keySet.size()];
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keySet.toArray(keys);
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}
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return keys;
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}
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public static String[] getNeedColsByJsonStr(String jsonStr){
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com.alibaba.fastjson.JSONObject jsonObject = JSON.parseObject(jsonStr);
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Set<String> keySet = jsonObject.keySet();
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keySet.removeIf(key -> key.contains("#"));
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String[] keys = new String[keySet.size()];
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keySet.toArray(keys);
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return keys;
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}
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/**
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* 返回编辑表格的json数据
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* @param object
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* @param dataparam 获取数据参数
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* @param type 参数类型 包括create ,destory,update
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* @return
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*/
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public static String parseJson(JSONObject object,String dataparam,String type){
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return ((com.alibaba.fastjson.JSONObject) JSON.parseArray(object.getString(dataparam)).get(0)).get(type).toString();
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}
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public static String SendGET(String url,String param){
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String result="";//访问返回结果
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BufferedReader read=null;//读取访问结果
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try {
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//创建url
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URL realurl=new URL(url+"?"+param);
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//打开连接
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URLConnection connection=realurl.openConnection();
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// 设置通用的请求属性
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent",
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"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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//建立连接
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connection.connect();
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// 获取所有响应头字段
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Map<String, List<String>> map = connection.getHeaderFields();
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// 遍历所有的响应头字段，获取到cookies等
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for (String key : map.keySet()) {
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System.out.println(key + "--->" + map.get(key));
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}
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// 定义 BufferedReader输入流来读取URL的响应
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read = new BufferedReader(new InputStreamReader(
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connection.getInputStream(),"UTF-8"));
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String line;//循环读取
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while ((line = read.readLine()) != null) {
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result += line;
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}
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} catch (IOException e) {
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e.printStackTrace();
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}finally{
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if(read!=null){//关闭流
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try {
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read.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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return result;
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}
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public static String time()
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{
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Date date=new Date();
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DateFormat format=new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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String time=format.format(date);
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return time;
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}
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/**
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* 字符串转化为日期格式
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* @param date
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* @param format
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* @return
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*/
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public static Date getDate(String date,String format){
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DateFormat ds=new SimpleDateFormat(format);
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Date date1=new Date();
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try {
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date1= ds.parse(date);
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return date1;
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}
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/**
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* 获取时间函数
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* @return
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*/
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public static Date getNowDate(){
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Date nowDate=new Date();
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SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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try {
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nowDate=sdf.parse(sdf.format(new Date()));
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} catch (ParseException e) {
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e.printStackTrace();
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}
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return nowDate;
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};
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/**
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* 驼峰写法转表字段
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* @param JsonString
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* @return
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*/
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public static String upJson(String JsonString) {
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if (JsonString == null) {
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return "";
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}
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JSONArray jsonArray = JSONArray.parseArray(JsonString);
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List jsonList = new ArrayList();
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for (int i = 0; jsonArray != null && i < jsonArray.size(); i++) {
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Map jsonMap = new HashMap();
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com.alibaba.fastjson.JSONObject jsonObject = jsonArray.getJSONObject(i);
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if (jsonObject != null) {
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Set<String> set = jsonObject.keySet();
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for (String key : set) {
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jsonMap.put(underscoreName(key), jsonObject.get(key));
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}
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jsonList.add(jsonMap);
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}
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}
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//关闭引用检测后，重复引用对象时就不会被$ref代替，但是在循环引用时也会导致StackOverflowError异常。
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return JSON.toJSONString(jsonList, SerializerFeature.DisableCircularReferenceDetect);
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}
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/**
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* 处理字符
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* @param name
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* @return
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*/
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public static String underscoreName(String name) {
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StringBuilder result = new StringBuilder();
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if (name != null && name.length() > 0) {
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// 将第一个字符处理成大写
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result.append(name.substring(0, 1).toUpperCase());
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// 循环处理其余字符
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for (int i = 1; i < name.length(); i++) {
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String s = name.substring(i, i + 1);
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// 在大写字母前添加下划线
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if (s.equals(s.toUpperCase())
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&& !Character.isDigit(s.charAt(0))) {
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result.append("_");
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}
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// 其他字符直接转成大写
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result.append(s.toUpperCase());
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}
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}
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return result.toString();
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}
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public static boolean existsField(Class clz,String fieldName){
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try{
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return clz.getDeclaredField(fieldName)!=null;
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}
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catch(Exception e){
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//throw new RuntimeException(e.getCause());
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}
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if(clz!=Object.class){
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return existsField(clz.getSuperclass(),fieldName);
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}
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return false;
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}
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/**
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* 不够位数的在前面补0，保留code的长度位数字
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* @param code
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* @return
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*/
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public static String autoGenericCode(String code) {
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String result = "";
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// 保留code的位数
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result = String.format("%0" + code.length() + "d", Integer.parseInt(code));
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return result;
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}
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/**
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* 不够位数的在前面补0，保留num的长度位数字
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* @param code
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* @return
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*/
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public static String autoGenericCode(String code, int num) {
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String result = "";
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// 保留num的位数
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// 0 代表前面补充0
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// num 代表长度为4
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// d 代表参数为正数型
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result = String.format("%0" + num + "d", Integer.parseInt(code));
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return result;
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}
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/**
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* 获取文件路径
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* @return
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*/
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public static String getPath() {
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String str = CommonUtil.class.getResource("/").getPath();
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String basicPath = str.substring(0, str.indexOf("target"));
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String path = basicPath + "target/QhdImtos/wb/document/";
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return path;
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}
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public static void main(String args[]){
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/* String port="9090";
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String ports[]=port.split(",");
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System.out.println(ports[0]);*/
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int a=2;
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int b=4;
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a=a^b^a;
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b=b^a^b;
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System.out.println(a+"==="+b);
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}
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}
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