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Java-DealString工具类
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import java.text.NumberFormat;
import java.util.Date;
import java.util.Locale;
import java.util.StringTokenizer;
public class DealString {
public DealString() {
}
//判断字符串是否为空，并删除首尾空格
public static String convertNullCode(String tempSql){
if (tempSql==null) tempSql="";
return tempSql;
}
/**
* 字符串替换操作
* @param originString 原字符串
* @param oldString 被替换字符串
* @param newString 替换字符串
* @return 替换操作后的字符串
*/
public static String replace(String originString,String oldString,String newString){
String getstr = originString;
while(getstr.indexOf(oldString)>-1){
getstr = getstr.substring(0,getstr.indexOf(oldString)) + newString + getstr.substring(getstr.indexOf(oldString)+oldString.length(),getstr.length());
}
return getstr;
}
/**
* 代码转换，GBK转换为ISO-8859-1
* @param tempSql 要转换的字符串
* @return
*/
public static String ISOCode(String tempSql){
String returnString = convertNullCode(tempSql);
try{
byte[] ascii = returnString.getBytes("GBK");
returnString = new String(ascii,"ISO-8859-1");
}catch(Exception e){
e.printStackTrace();
}
return returnString;
}
/**
* 代码转换，ISO-8859-1转换为GBK
* @param tempSql 要转换的字符串
* @return
*/
public static String GBKCode(String tempSql){
String returnString = convertNullCode(tempSql);
try{
byte[] ascii = returnString.getBytes("ISO-8859-1");
returnString = new String(ascii,"GBK");
}catch(Exception e){
e.printStackTrace();
}
return returnString;
}
/**
* 代码转换 从srcCode转换为destCode
* @param srcCode 原编码
* @param destCode 目标编码
* @param strTmp 要转换的字符串
* @return
*/
public static String convertCode(String srcCode,String destCode,String strTmp){
String returnString = convertNullCode(strTmp);
try{
byte[] ascii=returnString.getBytes(srcCode);
returnString =new String(ascii,destCode);
}catch(Exception e){
e.printStackTrace();
}
return returnString;
}
/**
* 代码转换，GBK转换为big5
* @param tempSql 要转换的字符串
* @return
*/
public static String GBK2BIG5Code(String tempSql){
String returnString = convertNullCode(tempSql);
try{
byte[] ascii=returnString.getBytes("GBK");
returnString =new String(ascii,"big5");
}catch(Exception e){
e.printStackTrace();
}
return returnString;
}
//替换非法字符
public static String convertHtml(String input){
StringBuffer returnString = new StringBuffer(input.length());
char ch = ' ';
for (int i = 0;i<input.length();i++){
ch = input.charAt( i);
if (ch == '<'){
returnString = returnString.append("<");
}else if (ch == '>'){
returnString = returnString.append(">");
}else if (ch == ' '){
returnString = returnString.append(" ");
}else if (ch == '\\'){
returnString = returnString.append("´");
}else{
returnString = returnString.append(ch);
}
}
return returnString.toString();
}
/*
*
*/
private String delSQlString(String sql){
String delSql = "in(";
StringTokenizer Tokenizer = new StringTokenizer(sql,"|");
// 标记本身等于分隔符的特殊情况
delSql += Tokenizer.nextToken().toString();
while (Tokenizer.hasMoreTokens()) {
delSql += Tokenizer.nextToken() + ",";
}
delSql = delSql.substring(0,delSql.length()-1) + ")";
return delSql;
}
/*
* format selectedIDs to sql language
* in (...)
* second of methods bt own idea
*/
private String delNewSQlString(String sql){
return "in (" + sql.replace('|',',') + ")";
}
private static final char[] QUOTE_ENCODE = """.toCharArray();
private static final char[] AMP_ENCODE = "&".toCharArray();
private static final char[] LT_ENCODE = "<".toCharArray();
private static final char[] GT_ENCODE = ">".toCharArray();
/**
* This method takes a string which may contain HTML tags (ie, <b>,
* <table>, etc) and converts the '<'' and '>' characters to
* their HTML escape sequences.
*
* @param in the text to be converted.
* @return the input string with the characters '<' and '>' replaced
* with their HTML escape sequences.
*/
public static final String escapeHTMLTags(String in) {
if (in == null) {
return null;
}
char ch;
int i=0;
int last=0;
char[] input = in.toCharArray();
int len = input.length;
StringBuffer out = new StringBuffer((int)(len*1.3));
for (; i < len; i++) {
ch = input[i];
if (ch > '>') {
continue;
} else if (ch == '<') {
if (i > last) {
out.append(input, last, i - last);
}
last = i + 1;
out.append(LT_ENCODE);
} else if (ch == '>') {
if (i > last) {
out.append(input, last, i - last);
}
last = i + 1;
out.append(GT_ENCODE);
}
}
if (last == 0) {
return in;
}
if (i > last) {
out.append(input, last, i - last);
}
return out.toString();
}
public static String filterString(String allstr)
{
StringBuffer returnString = new StringBuffer(allstr.length());
char ch = ' ';
for (int i = 0; i < allstr.length(); i++)
{
ch = allstr.charAt(i);
String lsTemp = "'";
char lcTemp = lsTemp.charAt(0);
if (ch == lcTemp)
{
returnString.append("''");
}
else
{
returnString.append(ch);
}
}
return returnString.toString();
}
/**
* 数字的金额表达式
* @param num
* @return
*/
public static String convertNumToMoney(int num){
NumberFormat formatc = NumberFormat.getCurrencyInstance(Locale.CHINA);
String strcurr = formatc.format(num);
System.out.println(strcurr);
//num = NumberFormat.getInstance().setParseIntegerOnly(true));
return strcurr;
}
public static void main(String args[]){
DealString.convertNumToMoney(1234566);
}
}
