PublicAffairs/gather-app/src/main/java/com/ruoyi/business/util/StringKit.java

package com.ruoyi.business.util;

import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.HashMap;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class StringKit {

    public StringKit() {
    }

    public static Boolean isEmpty(Object argObject) {
        Boolean tbool = false;
        String tString = toString(argObject);
        if (tString.equals("")) {
            tbool = true;
        }

        return tbool;
    }

    public static String toString(Object argObject) {
        String tmpstr = "";
        try {
            if (argObject != null) {
                tmpstr = argObject.toString();
                if ("null".equals(tmpstr) || "underfind".equals(tmpstr) || "undefined".equals(tmpstr) || "{}".equals(tmpstr)) {
                    tmpstr = "";
                }
            }
        } catch (Exception var3) {
        }

        return tmpstr;
    }


    public static boolean isNumeric(String str) {
        Pattern pattern = Pattern.compile("[0-9]*");
        return pattern.matcher(str).matches();
    }

    public static boolean isEng(String str) {
        Pattern pattern = Pattern.compile("[a-zA-Z]");
        return pattern.matcher(str).matches();
    }


    public static String getTrace(Throwable t) {

        StringWriter stringWriter = new StringWriter();
        PrintWriter writer = new PrintWriter(stringWriter);
        t.printStackTrace(writer);
        StringBuffer buffer = stringWriter.getBuffer();
        return buffer.toString();
    }

    /**
     * 空时 返回NA(有的厂家字段必填，我们没有，先用NA补充)
     *
     * @return
     */
    public static String responseNa(Object object) {
        if (isEmpty(object)) {
            return "NA";
        }
        return String.valueOf(object);
    }

    /**
     * 检查某个字符串出现几次
     *
     * @return
     */
    public static Integer getStrCount(String str, String indexStr) {

        //java中判断一个字符出现的次数
        //在下面字符串中查找有几个啊
//            String str = "啊！我爱你中国！啊，我爱你故乡";
        //存放每个字符的数组
        String[] strs = new String[str.length()];
        //计数该字符出现了多少次
        int count = 0;
        //先把字符串转换成数组
        for (int i = 0; i < strs.length; i++) {
            strs[i] = str.substring(i, i + 1);
        }
        //挨个字符进行查找，查找到之后count++
        for (int i = 0; i < strs.length; i++) {
            if (strs[i].equals(indexStr)) {
                count++;
            }
        }
//                System.out.println("一共有"+count+"个啊");
        return count;

    }

    public static Map<String, String> parse(String input) {
        Map<String, String> result = new HashMap<>();

        // 定义正则表达式
        String regex = "(\\w+)=\"([^\"]*)\"";
        Pattern pattern = Pattern.compile(regex);
        Matcher matcher = pattern.matcher(input);

        // 使用正则表达式进行匹配
        while (matcher.find()) {
            // 提取键值对
            String key = matcher.group(1);
            String value = matcher.group(2);
            result.put(key, value);
        }

        return result;
    }


}