觉得好就顶下
import java.util.*;
import java.text.*;
import java.lang.*;
import sun.io.*;
public class DealString{
public DealString(){}
//过滤非法字符
public boolean checkParameter(String para){
int flag = 0;
flag += para.indexOf("‘") + 1;
flag += para.indexOf(";") + 1;
flag += para.indexOf("1=1") + 1;
flag += para.indexOf("|") + 1;
flag += para.indexOf("<") + 1;
flag += para.indexOf(">") + 1;
if (flag != 0){
System.out.println("提交了非法字符!!!");
return false;
}
return true;
}
//把null转化为""
public String toString(String str){
if(str==null)str = "";
if(str.equals("null"))str = "";
str = str.trim();
return str;
}
//转换编码
public String toGBK(String str){
try{
str=new String(str.getBytes("ISO-8859-1"),"GBK");
}catch (Exception e) {}
return str;
}
//UTF8
public String toUtf8String(String src){
byte[] b = src.getBytes();
char[] c = new char[b.length];
for(int i=0;i<b.length;i++){
c
= (char)(b&0x00FF);
}
return new String(c);
}
public String toASCII(String str){
try{
str=new String(str.getBytes("GBK"),"ISO-8859-1");
}catch(Exception e) {}
return str;
}
//分割字符串
public String[] splitStr(String str,char c){
str+=c;
int n=0;
for(int i=0;i<str.length();i++){
if(str.charAt(i)==c)n++;
}
String out[] = new String[n];
for(int i=0;i<n;i++){
int index = str.indexOf(c);
out = str.substring(0,index);
str = str.substring(index+1,str.length());
}
return out;
}
//取得系统时间
public String getDateTime(){
java.text.SimpleDateFormat f = new java.text.SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
String time = f.format(new java.util.Date());
return time;
}
//替换字符串
public String Replace(String source, String oldString, String newString){
StringBuffer output = new StringBuffer();
int lengthOfSource = source.length(); // 源字符串长度
int lengthOfOld = oldString.length(); // 老字符串长度
int posStart = 0; // 开始搜索位置
int pos; // 搜索到老字符串的位置
while ((pos = source.indexOf(oldString, posStart)) >= 0) {
output.append(source.substring(posStart, pos));
output.append(newString);
posStart = pos + lengthOfOld;
}
if (posStart < lengthOfSource) {
output.append(source.substring(posStart));
}
return output.toString();
}
//取得两个日期的天数之差
public long getDaysInterval(Date d1,Date d2){
return (d2.getTime()-d1.getTime())/86400000;
}
//将字符串格式化为固定长度
public String toLengthStr(String instr,int len){
int n = instr.length();
for(int i=0;i<(len-n);i++){
instr = " "+instr;
}
return instr;
}
//将字符串格式化为固定长度(右边补空格)
public String toLengthStrRight(String instr,int len){
int n = instr.length();
for(int i=0;i<(len-n);i++){
instr = instr+" ";
}
return instr;
}
//ASCII转化为字符串
public String AsciiToChineseString(String s){
char[] orig = s.toCharArray();
byte[] dest = new byte[orig.length];
for (int i=0;i<orig.length;i++)
dest = (byte)(orig&0xFF);
try{
ByteToCharConverter toChar = ByteToCharConverter.getConverter("gb2312");
return new String(toChar.convertAll(dest));
}catch (Exception e){
System.out.println(e);
return s;
}
}
//字符串转化为ASCII
public String ChineseStringToAscii(String s){
try{
CharToByteConverter toByte = CharToByteConverter.getConverter("gb2312");
byte[] orig = toByte.convertAll(s.toCharArray());
char[] dest = new char[orig.length];
for (int i=0;i<orig.length;i++)
dest = (char)(orig & 0xFF);
return new String(dest);
}catch (Exception e){
System.out.println(e);
return s;
}
}
//Unicode转化成GB的源码
public String UnicodetoGB(String s){
StringBuffer sb = new StringBuffer();
boolean escape = false;
for(int i=0; i<s.length(); i++){
char c = s.charAt(i);
switch (c){
case ‘\\‘: escape = true; break;
case ‘u‘:
case ‘U‘:
if(escape){
try{
sb.append((char)Integer.parseInt(s.substring(i+1,i+5),16));
escape = false;
}catch(NumberFormatException e){
throw new IllegalArgumentException();
}
i += 4;
}
else sb.append(c);
break;
default:sb.append(c); break;
}
}
return sb.toString();
}
//将str中重复的去掉
public String strDistinct(String str){
String[] strArr=str.split(",");
String strAim = ",";
for(int i=0;i<strArr.length;i++){
if(strArr.equals("")) continue;
if (strAim.indexOf(","+strArr+",")==-1){
strAim = strAim + strArr + ",";
}
}
if(!strAim.equals(","))
strAim = strAim.substring(1,strAim.length()-1);
else strAim = "";
return strAim;
}
//字符转化为ASCII
public int toASCII(char c){
int i = c;
return i;
}
//取得字符字节长度
public int byteLength(String str){
return ((str.getBytes()).length);
}
//取得字符串从头开始指定长度子串
public String strByteCopy(String str,int nEnd){
if(nEnd==0) return "";
byte[] byteStr=str.getBytes();
String strSub=new String(byteStr,0,nEnd);
if (strSub.length()==0) strSub=new String(byteStr,0,nEnd-1);
return strSub;
}
public boolean strMatch(String motherStr,String childStr){
boolean matched=false;
int mLength=motherStr.length();
int cLength=childStr.length();
int starWith;
if(mLength>=cLength){
starWith=mLength-cLength;
for(int i=0;i<=starWith;i++){
matched=motherStr.startsWith(childStr,i);
if(matched)break;
}
}
return matched;
}
/*
//把字符串转化为以UTF8编码
public static String toUtf8String(String s) {
StringBuffer sb = new StringBuffer();
for (int i=0;i<s.length();i++) {
char c = s.charAt(i);
if (c >= 0 && c <= 255) {
sb.append(c);
}
else {
byte[] b;
try {
b = Character.toString(c).getBytes("utf-8");
}
catch (Exception ex) {
System.out.println(ex);
b = new byte[0];
}
for (int j = 0; j < b.length; j++) {
int k = b[j];
if (k < 0)
k += 256;
sb.append("%" + Integer.toHexString(k).
toUpperCase());
}
}
}
return sb.toString();
}
*/
public Vector simplify(String[] str){
Vector vect = new Vector();
for(int i=0;i<str.length;i++) vect.add(str);
for(int i=0;i<vect.size();i++){
String[] s1 = ((String)vect.get(i)).split("_");
for(int j=i+1;j<vect.size();){
boolean out = true;
String[] s2 = ((String)vect.get(j)).split("_");
for(int k=0;k<s1.length;k++){
if(!s1[k].equals(s2[k])&&!s1[k].equals("0")){
out = false;
break;
}
}
if(out) vect.remove(j);
else j++;
}
}
return vect;
}
public Vector simplify(Vector vstr){
Vector vect = new Vector();
for(int i=0;i<vstr.size();i++)
vect.add(vstr.get(i));
for(int i=0;i<vect.size();i++){
String[] s1 = ((String)vect.get(i)).split("_");
for(int j=i+1;j<vect.size();){
boolean out = true;
String[] s2 = ((String)vect.get(j)).split("_");
for(int k=0;k<s1.length;k++){
if(!s1[k].equals(s2[k])&&!s1[k].equals("0")){
out = false;
break;
}
}
if(out) vect.remove(j);
else j++;
}
}
return vect;
}
public static void main(String args[]) throws Exception{
DealString mb = new DealString();
System.out.println("begin......\r\n");
/*System.out.println("Please input string to be translated");
String oldStr = null;
java.io.BufferedReader in = new java.io.BufferedReader(new java.io.InputStreamReader(System.in));
oldStr = in.readLine();
while(oldStr!=null){
System.out.println(mb.UnicodetoGB(oldStr));
oldStr = in.readLine();
}*/
mb.checkParameter("adfidjf|dfdijf");
System.out.println(mb.getDateTime());
System.out.println(mb.strDistinct("bengou,bengou"));
String[] b=mb.splitStr("I love you!*wo ai ni!",‘*‘);
for(int i=0;i<b.length;i++){
System.out.println(b);
}
System.out.println("");
System.out.println("It is the test end!");
}
}
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