ccclych1的博客

2021版IDEA创建web工程流程

public static String portalPushMessage(String url,Info info) throws ServletException, IOException { CloseableHttpClient httpClient = HttpClientBuilder.create().build(); HttpPost posturl = new HttpPost(url); String jsonSting = JSON.toJSONStrin.

public class WordChange { public static boolean GenerateImage(String imgStr, String savedImagePath) { // 文件字节数组字符串数据为空 if (imgStr == null) { return false; } BASE64Decoder deco...

public class countwords { public static void main(String[] args) { String con=""; List<Integer> list=new ArrayList<>(); List<Integer> list1=new ArrayList<>(); ...

<c:if test="${cart.imgtype =='musicroom'}"> <strong style="font-size: 18px;line-height: 200px">音乐教室</strong> </c:if>

按行读取文件（不乱码） 1.第一种方式 public class writetest { public static void main(String[] args) { List<String> list=new ArrayList<>(); File filepath = new File("f://write/test.txt"); ...

1. 将String类型的字符串进行Base64加密、解密的工具类： package util; import sun.misc.BASE64Decoder; import sun.misc.BASE64Encoder; import java.io.UnsupportedEncodingException; public class BaseUtil { // 加密 pub...

1.将File文件转为byte[] public class FileChange { public static byte[] File2byte(File tradeFile){ byte[] buffer = null; try { FileInputStream fis = new FileInputStream(tradeFile); ...

1.以下为实现的工具类 package util; import java.io.File; import java.io.FileFilter; import java.util.ArrayList; import java.util.List; public class TextSearchFile { public static List<File> searchFi...

List转Array： ArrayList<String> list=new ArrayList<String>(); String[] strings = new String[list.size()]; list.toArray(strings); Array转list： String[] s = {"a","b","c"}; List list = java...

@ResponseBody @RequestMapping(value="/getComm",produces = "text/plain;charset=utf-8") 当返回值为json类型时，为 produces = "application/json; charset=utf-8" 当返回值为String类型时，为 produces = "text/plain;char...

import javax.xml.bind.JAXBContext; import javax.xml.bind.JAXBException; import javax.xml.bind.Marshaller; import javax.xml.bind.Unmarshaller; import java.io.*; public class XMLUtil { /** * 将对象直...

情景：当图片存储在数据库中，上传后立即回显 var url=path+"/user/img?photopath="+photopath; document.getElementById('photo').src=url; js原生方法：document.getElementById("photo").src = "xxxx.jpg"; Jquery方法：$("#photo").attr("s...