{"id":483,"date":"2008-02-26T00:00:00","date_gmt":"2008-02-25T16:00:00","guid":{"rendered":"http:\/\/www.strongd.net\/?p=483"},"modified":"2011-07-15T09:42:16","modified_gmt":"2011-07-15T01:42:16","slug":"%e7%b2%be%e7%a2%ba%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%88%aa%e5%8f%96%e6%96%b9%e6%b3%95-java","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=483","title":{"rendered":"\u7cbe\u78ba\u7684\u5b57\u7b26\u4e32\u622a\u53d6\u65b9\u6cd5 java"},"content":{"rendered":"

\u53d1\u5f00\u9879\u76ee\u9700\u8981\uff0c\u5728\u7f51\u4e0a\u627e\u4e86\u5f88\u4e45\u90fd\u6ca1\u6709\u6253\u5230\uff0e\u4e8e\u662f\u81ea\u5df1\u52a8\u624b\u5199\u4e86\u4e00\u4e0b\uff0e\u8d21\u732e\u51fa\u6765\u7ed9\u6709\u9700\u8981\u7684\u4eba\uff0e\u5982\u679c\u6709\u4ec0\u4e48\u95ee\u9898\u53ef\u4ee5\u52a0\u6211\uff2d\uff33\uff2e\uff1astrongkill@yahoo.com.hk\u3000\u8ba8\u8bba\u8ba8\u8bba<\/P>
\n

\u6e90\u4ee3\u7801\uff1a<\/FONT><\/P>
\n

 \/**
  * \u622a\u53d6\u5b57\u7b26\u4e32\u7684\u524dtargetCount\u4e2a\u5b57\u7b26
  * @param str \u88ab\u5904\u7406\u5b57\u7b26\u4e32
  * @param targetCount \u622a\u53d6\u957f\u5ea6
  * @version 1.1
  * @author Strong Yuan
  * @return String
  *\/
 public static String subContentStringOrialBytes(String str,int targetCount){
  return subContentStringOrialBytes(str,targetCount,”…”);
 }
 \/**
  * \u83b7\u53d6\u6307\u5b9a\u957f\u5ea6\u5b57\u7b26\u4e32\u7684\u5b57\u8282\u957f
  * @param str \u88ab\u5904\u7406\u5b57\u7b26\u4e32
  * @param maxlength \u622a\u53d6\u957f\u5ea6
  * @author Strong Yuan
  * @version 1.1
  * @return String
  *\/
 private static long getStringByteLength(String str,int maxlength){
  if(str==null)
   return 0;
  int tmp_len = maxlength;
  
  if(str.length()<maxlength)
   tmp_len = str.length();
  else if(str.length()>maxlength*2)
   tmp_len = maxlength*2;
  
  char[] tempchar = str.substring(0, tmp_len).toCharArray();<\/P>
\n

  int intVariable = 0;
  String s1 = null;
  for(int i=0;i<tempchar.length && intVariable<=maxlength;i++){
   s1 = String.valueOf(tempchar[i]);
   intVariable += s1.getBytes().length;
  }
  s1= null;
  tempchar = null;
  return intVariable;
 }
 \/**
  * \u622a\u53d6\u6307\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u4e32,\u57fa\u4e8ebytes,\u5373\u662f\u4e2d\u6587\u7684\u957f\u5ea6\u4e3a2,\u82f1\u6587\u4e3a1
  * @param str \u88ab\u5904\u7406\u5b57\u7b26\u4e32
  * @param targetCount \u622a\u53d6\u957f\u5ea6
  * @param more \u540e\u7f00\u5b57\u7b26\u4e32
  * @author Strong Yuan
  * @version 1.1
  * @return
  *\/
 public static String subContentStringOrialBytes(String str, int targetCount,String more)
 {
  if (str == null)
   return “”;
  int initVariable = 0;
  StringBuffer restr = new StringBuffer();
  if (getStringByteLength(str,targetCount) <= targetCount)
   return str;<\/P>
\n

  String s1=null;
  byte[] b;
  char[] tempchar = str.toCharArray();
  for (int i = 0; (i < tempchar.length && targetCount > initVariable); i++) {
   s1 = String.valueOf(tempchar[i]);
   b = s1.getBytes();
   initVariable += b.length;
   restr.append(tempchar[i]);
  }<\/P>
\n

  if (targetCount == initVariable || (targetCount == initVariable – 1)) {
   restr.append(more);
  }
  return restr.toString();
 }
 \/**
  * \u622a\u53d6\u6307\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u4e32,\u5b58\u5728\u95ee\u9898,\u4f46\u6548\u7387\u4f1a\u9ad8\u4e00\u70b9\u70b9.just a little
  * @param str \u88ab\u5904\u7406\u5b57\u7b26\u4e32
  * @param targetCount \u622a\u53d6\u957f\u5ea6
  * @param more \u540e\u7f00\u5b57\u7b26\u4e32
  * @version 1.1
  * @author Strong Yuan
  * @return String
  *\/
 public static String subContentStringOrial(String str,int targetCount){
  return subContentStringOrial(str,targetCount,”…”);
 } 
 \/**
  * \u622a\u53d6\u6307\u5b9a\u957f\u5ea6\u7684\u5b57\u7b26\u4e32,\u5b58\u5728\u95ee\u9898,\u4f46\u6548\u7387\u4f1a\u9ad8\u4e00\u70b9\u70b9.just a little
  * @param str \u88ab\u5904\u7406\u5b57\u7b26\u4e32
  * @param targetCount \u622a\u53d6\u957f\u5ea6
  * @param more \u540e\u7f00\u5b57\u7b26\u4e32
  * @author Strong Yuan
  * @return String
  *\/
 public static String subContentStringOrial(String str, int targetCount,String more)
 {
  if (str == null)
   return “”;
  int initVariable = 0;
  StringBuffer restr = new StringBuffer();
  if (str.length() <= targetCount)
   return str;<\/P>
\n

  String s1=null;
  byte[] b;
  char[] tempchar = str.toCharArray();
  for (int i = 0; (i < tempchar.length && targetCount > initVariable); i++) {
   s1 = String.valueOf(tempchar[i]);
   b = s1.getBytes();
   initVariable += b.length;
   restr.append(tempchar[i]);
  }<\/P>
\n

  if (targetCount == initVariable || (targetCount == initVariable – 1)) {
   restr.append(more);
  }
  return restr.toString();
 }<\/P>
\n

\u4e0b\u9762\u662f\u6027\u80fd\u6d4b\u8bd5\uff1a<\/FONT><\/DIV>
\n
<\/FONT> <\/DIV>
\n
public static void main(String[] args){<\/DIV>
\n
  int maxLength = 28;  
  String str =”\u5f53\u5965\u8fd0\u5723\u706b\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282\u683c\u5f0f\u5316\u5b57\u7b26\u4e32\u957f\u5ea6\uff0c\u8d85\u51fa\u90e8\u5206\u663e\u793a\u7701\u7565\u53f7,\u533a\u5206\u6c49\u5b57\u8ddf\u5b57\u6bcd\u3002\u6c49\u5b572\u4e2a\u5b57\u8282\uff0c\u5b57\u6bcd\u6570\u5b57\u4e00\u4e2a\u5b57\u8282”;<\/DIV>
\n
  long curr = System.currentTimeMillis();
  String aa = null;
  for(int i =0;i<=100000;i++){
   aa = htmlFilter.subContentStringOrial(str, maxLength);
  }
  System.out.println(“\u7ed3\u679c: “+aa);
  System.out.println(“\u8017\u65f6: ” + (System.currentTimeMillis()-curr)+” ms”);
 
  curr = System.currentTimeMillis();
  for(int i =0;i<=100000;i++){
   aa = htmlFilter.subContentStringOrialBytes(str, maxLength);
  }
  System.out.println(“\u7ed3\u679c: “+aa);  
  System.out.println(“\u8017\u65f6: ” + (System.currentTimeMillis()-curr)+” ms”);
  <\/DIV>
\n
  System.out.println(htmlFilter.subContentStringOrial(“[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b\u72af\u88ab\u5224\u65e0\u671fdfasdfasdfasdf\u4e07\u4eba\u542c\u5224”, maxLength));
  System.out.println(htmlFilter.subContentStringOrialBytes(“[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b\u72af\u88ab\u5224\u65e0\u671fdfasdfasdfasdf\u4e07\u4eba\u542c\u5224”, maxLength,”…”));
  \/\/\u5b58\u5728\u95ee\u9898,\u5f53str.length()\u5c0f\u4e8emaxLength\u65f6,\u5c31\u4e0d\u8fdb\u884c\u622a\u53d6
  System.out.println(htmlFilter.subContentStringOrial(“[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b\u72af\u88ab\u5224\u65e0\u671f\u4e07\u4eba\u542c\u5224”, maxLength));
  System.out.println(htmlFilter.subContentStringOrialBytes(“[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b\u72af\u88ab\u5224\u65e0\u671f\u4e07\u4eba\u542c\u5224”, maxLength,”…”));<\/DIV>
\n
}<\/DIV>
\n
 <\/DIV>
\n
\u6700\u540e\u8f93\u51fa\u7ed3\u679c\uff1a<\/FONT><\/DIV>
\n
 <\/DIV>
\n
\u7ed3\u679c: \u5f53\u5965\u8fd0\u5723\u706b\u683c\u5f0f\u5316\u5b57\u7b26
\u8017\u65f6: 1183 ms
\u7ed3\u679c: \u5f53\u5965\u8fd0\u5723\u706b\u683c\u5f0f\u5316\u5b57\u7b26
\u8017\u65f6: 1834 ms
[\u539f\u521b]dfasdfasdfasdf
[\u539f\u521b]dfasdfasdfasdf
[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b
[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b
[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b\u72af\u88ab\u5224\u65e0\u671f\u4e07\u4eba\u542c\u5224\u5224\u65e0\u671f\u4e07\u4eba\u542c\u5224
[\u539f\u521b]\u5c71\u897f\u4e34\u6c7e\u77ff\u96be3\u4e3b
<\/DIV>

\n
<\/DIV><\/p>\n","protected":false},"excerpt":{"rendered":"

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