如何在applet中调用jni? 为什么没有人回答,请jni的高手帮帮我!万分感谢! 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 给你一个我写的例子import java.util.*;import java.io.*;public class xpInifile{ Vector section = new Vector(); Vector keynums = new Vector(); Vector key = new Vector(); Vector value = new Vector(); String filename=""; public xpInifile(String filename) { this.filename =filename; load(); } public void test() { int keypos=0; for(int i=0;i<section.size();i++) { System.out.println("["+(String)section.get(i)+"]"); for(int j=keypos;j<((Integer)(keynums.get(i))).intValue()+keypos;j++) System.out.println((String)key.get(j)+"="+(String)value.get(j)); keypos=keypos+((Integer)(keynums.get(i))).intValue(); } } //读取ini文件信息 private void load() { String readstr=""; int nums=0; int i=0; int j=0; int keypos=0; try { BufferedReader in = new BufferedReader(new FileReader(filename)); readstr=in.readLine(); while(readstr!=null) { readstr=readstr.trim(); //找出段 if(readstr.startsWith("[")==true) { if(section.size()>0)//得出该段key数量 { keynums.add(new Integer(nums)); nums=0; } section.add(readstr.substring(1,readstr.indexOf("]"))); } else { key.add(readstr.substring(0,readstr.indexOf("="))); value.add(readstr.substring(readstr.indexOf("=")+1)); nums=nums+1; } readstr = in.readLine(); } in.close(); keynums.add(new Integer(nums)); //测试代码/* for(i=0;i<section.size();i++) { System.out.println("["+(String)section.get(i)+"]"); for(j=keypos;j<((Integer)(keynums.get(i))).intValue()+keypos;j++) System.out.println((String)key.get(j)+"="+(String)value.get(j)); keypos=keypos+((Integer)(keynums.get(i))).intValue(); } */ } catch(Exception e) { System.out.println(e.getMessage()); } }//得到某key值 public String getvalue(String sectionname,String keyname) { String pvalue=""; int i=0; int j=0; int sectionpos=-1; int startpos=0; int endpos=0; try { sectionpos=section.indexOf(sectionname.trim()); if(sectionpos!=-1) { for(i=0;i<sectionpos;i++) startpos=startpos+((Integer)keynums.get(i)).intValue(); endpos=startpos+((Integer)keynums.get(i)).intValue(); for(j=startpos;j<endpos;j++) { if(((String)key.get(j)).trim().equals(keyname.trim())==true) { pvalue = ((String)value.get(j)).trim(); break; } } } } catch(Exception e) { System.out.println(e.getMessage()); } return pvalue; } public boolean setvalue(String sectionname,String keyname,String value) { boolean presult=false; int i=0; int j=0; int sectionpos=-1; int startpos=0; int endpos=0; int m=0; int n=0; int keypos=0; try { try { sectionpos=section.indexOf(sectionname.trim()); if(sectionpos!=-1) for(i=0;i<sectionpos;i++) startpos=startpos+((Integer)keynums.get(i)).intValue(); endpos=startpos+((Integer)keynums.get(i)).intValue(); for(j=startpos;j<endpos;j++) { if(((String)key.get(j)).trim().equals(keyname.trim())==true) { this.value.setElementAt(value.trim(),j); BufferedWriter out = new BufferedWriter(new FileWriter(filename)); //回写 //test(); for(m=0;m<section.size();m++) { out.write("["+(String)section.get(m)+"]"+"\n"); for(n=keypos;n<((Integer)(keynums.get(m))).intValue()+keypos;n++) out.write((String)key.get(n)+"="+(String)this.value.get(n)+"\n"); keypos=keypos+((Integer)(keynums.get(m))).intValue(); } out.close(); presult =true; break; } } } catch(Exception e) { System.out.println(e.getMessage()); presult=false; } } finally { return presult; } } } sql server2000 select 表名为变量 java语句如何写? java是用什么语言写的?? 很简单的一个背景问题。。。 关于JAVA静态字符串数组动态分配的问题 有人玩JNI的吗? jsp 问题 看了张孝祥的教程后,感觉更迷茫 请问多线程 哪位兄台知道JCREATOR PRO的注册码? 请教!100分..... 如何让一个窗口不活动时也显示在活动窗口的前面??像windows任务管理器一样 这错是啥意思呀????
import java.util.*;
import java.io.*;
public class xpInifile{
Vector section = new Vector();
Vector keynums = new Vector();
Vector key = new Vector();
Vector value = new Vector();
String filename="";
public xpInifile(String filename)
{
this.filename =filename;
load();
}
public void test()
{
int keypos=0;
for(int i=0;i<section.size();i++)
{
System.out.println("["+(String)section.get(i)+"]");
for(int j=keypos;j<((Integer)(keynums.get(i))).intValue()+keypos;j++)
System.out.println((String)key.get(j)+"="+(String)value.get(j));
keypos=keypos+((Integer)(keynums.get(i))).intValue();
}
}
//读取ini文件信息
private void load()
{
String readstr="";
int nums=0;
int i=0;
int j=0;
int keypos=0;
try
{
BufferedReader in = new BufferedReader(new FileReader(filename));
readstr=in.readLine();
while(readstr!=null)
{
readstr=readstr.trim();
//找出段
if(readstr.startsWith("[")==true)
{
if(section.size()>0)//得出该段key数量
{
keynums.add(new Integer(nums));
nums=0;
}
section.add(readstr.substring(1,readstr.indexOf("]")));
}
else
{
key.add(readstr.substring(0,readstr.indexOf("=")));
value.add(readstr.substring(readstr.indexOf("=")+1));
nums=nums+1;
}
readstr = in.readLine();
}
in.close();
keynums.add(new Integer(nums));
//测试代码
/* for(i=0;i<section.size();i++)
{
System.out.println("["+(String)section.get(i)+"]");
for(j=keypos;j<((Integer)(keynums.get(i))).intValue()+keypos;j++)
System.out.println((String)key.get(j)+"="+(String)value.get(j));
keypos=keypos+((Integer)(keynums.get(i))).intValue();
}
*/
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
}
//得到某key值
public String getvalue(String sectionname,String keyname)
{
String pvalue="";
int i=0;
int j=0;
int sectionpos=-1;
int startpos=0;
int endpos=0;
try
{
sectionpos=section.indexOf(sectionname.trim());
if(sectionpos!=-1)
{
for(i=0;i<sectionpos;i++)
startpos=startpos+((Integer)keynums.get(i)).intValue();
endpos=startpos+((Integer)keynums.get(i)).intValue();
for(j=startpos;j<endpos;j++)
{
if(((String)key.get(j)).trim().equals(keyname.trim())==true)
{
pvalue = ((String)value.get(j)).trim();
break;
}
}
}
}
catch(Exception e)
{
System.out.println(e.getMessage());
}
return pvalue;
}
public boolean setvalue(String sectionname,String keyname,String value)
{
boolean presult=false;
int i=0;
int j=0;
int sectionpos=-1;
int startpos=0;
int endpos=0;
int m=0;
int n=0;
int keypos=0;
try
{
try
{
sectionpos=section.indexOf(sectionname.trim());
if(sectionpos!=-1)
for(i=0;i<sectionpos;i++)
startpos=startpos+((Integer)keynums.get(i)).intValue();
endpos=startpos+((Integer)keynums.get(i)).intValue();
for(j=startpos;j<endpos;j++)
{
if(((String)key.get(j)).trim().equals(keyname.trim())==true)
{
this.value.setElementAt(value.trim(),j);
BufferedWriter out = new BufferedWriter(new FileWriter(filename));
//回写
//test();
for(m=0;m<section.size();m++)
{
out.write("["+(String)section.get(m)+"]"+"\n");
for(n=keypos;n<((Integer)(keynums.get(m))).intValue()+keypos;n++)
out.write((String)key.get(n)+"="+(String)this.value.get(n)+"\n");
keypos=keypos+((Integer)(keynums.get(m))).intValue();
}
out.close();
presult =true;
break;
}
}
}
catch(Exception e)
{
System.out.println(e.getMessage());
presult=false;
}
}
finally
{
return presult;
}
}
}