import?java.net.*;
/**
?*?與c語言通信（java做client，c/c++做server，傳送一個結構）
?*?
?*?@author?kingfish
?*?@version?1.0
?*/
public?class?Employee?{
	private?byte[]?buf?=?new?byte[28];?//?為說明問題，定死大小，事件中可以靈活處理

	/**
	?*?將int轉為低字節在前，高字節在后的byte數組
	?*/
	private?static?byte[]?tolh（int?n）?{
		byte[]?b?=?new?byte[4];
		b[0]?=?（byte）?（n?&?0xff）;
		b[1]?=?（byte）?（n?>>?8?&?0xff）;
		b[2]?=?（byte）?（n?>>?16?&?0xff）;
		b[3]?=?（byte）?（n?>>?24?&?0xff）;
		return?b;
	}
	/**
	?*?將byte數組轉化成String
	?*/
	private?static?String?toStr（byte[]?valArrint?maxLen）?{
		int?index?=?0;
		while（index?			if（valArr[index]?==?0）?{
				break;
			}
			index++;
		}
		byte[]?temp?=?new?byte[index];
		System.arraycopy（valArr?0?temp?0?index）;
		return?new?String（temp）;
	}
	
	/**
	?*?將低字節在前轉為int，高字節在后的byte數組
	?*/
	private?static?int?vtolh（byte[]?bArr）?{
		int?n?=?0;
		for（int?i=0;i			int?left?=?i*8;
			n+=?（bArr[i]?<		}
		return?n;
	}
	public?String?name?=?““;
	public?int?id?=?0;
	public?float?salary?=?0;
	/**
	?*?將float轉為低字節在前，高字節在后的byte數組
	?*/
	private?static?byte[]?tolh（float?f）?{
		return?tolh（Float.floatToRawIntBits（f））;
	}
	
	private?static?Employee?getEmployee（byte[]?bArr）?{
		String?name?=?““;
		int?id?=?0;
		float?salary?=?0;
		
		byte[]?temp?=?new?byte[20];
		name?=?toStr（bArr20）;
		
		System.arraycopy（bArr?20?temp?0?4）;
		id?=?vtolh（temp）;
		
		return?new?Employee（name?id?salary）;
		

	}
	/**
	?*?構造并轉換
	?*/
	public?Employee（String?name?int?id?float?salary）?{
		this.name?=?name;
		this.id?=?id;
		this.salary?=?salary;
		
		byte[]?temp?=?name.getBytes（）;
		System.arraycopy（temp?0?buf?0?temp.length）;

		temp?=?tolh（id）;
		System.arraycopy（temp?0?buf?20?temp.length）;

		temp?=?tolh（salary）;
		System.arraycopy（temp?0?buf?24?temp.length）;
	}
	
	/**
	?*?返回要發送的數組
	?*/
	public?byte[]?getbuf（）?{
		return?buf;
	}

	/**
	?*?發送測試
	?*/
	public?static?void?main（String[]?args）?{
		try?{
			int?index?=?0;
			byte[]?receive?=?new?byte[28];
			int?k=15;
			while（k>0）{
				Socket?sock?=?new?Socket（“127.0.0.1“?5050）;
				System.out.println（“send?content:??name=kingfish??“+“value=“+（1+index））;
				sock.getOutputStream（）.write（new?Employee（“kingfish“+index?1+index++?10.99f?+?index）.getbuf（））;
				sock.getInputStream（）.read（receive）;
				Employee?ee?=?getEmployee（receive）;
				System.out.println（“????response:??name=“+ee.name+“??“+“value=“+ee.id）;
				k--;
				sock.close（）;
			}
			
		}?catch?（Exception?e）?{
			e.printStackTrace（）;
		}
	}
}?//?end?

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????2572??2012-09-25?11:14??java與c++通過socket通信\Employee.class

?????文件???????2749??2012-09-25?11:11??java與c++通過socket通信\Employee.java

?????文件?????188477??2012-09-25?11:16??java與c++通過socket通信\Server\Debug\Server.exe

?????文件?????198420??2012-09-25?11:16??java與c++通過socket通信\Server\Debug\Server.ilk

????I.A....???3637416??2012-09-25?11:16??java與c++通過socket通信\Server\Debug\Server.pch

?????文件?????451584??2012-09-25?11:16??java與c++通過socket通信\Server\Debug\Server.pdb

?????文件??????14297??2012-09-25?11:16??java與c++通過socket通信\Server\Debug\source.obj

?????文件?????140288??2012-09-25?11:16??java與c++通過socket通信\Server\Debug\vc60.idb

?????文件??????77824??2012-09-25?11:16??java與c++通過socket通信\Server\Debug\vc60.pdb

?????文件???????4284??2012-09-25?10:35??java與c++通過socket通信\Server\Server.dsp

?????文件????????518??2012-09-25?10:35??java與c++通過socket通信\Server\Server.dsw

?????文件??????41984??2012-09-25?11:16??java與c++通過socket通信\Server\Server.ncb

?????文件??????48640??2012-09-25?11:16??java與c++通過socket通信\Server\Server.opt

?????文件???????1264??2012-09-25?11:16??java與c++通過socket通信\Server\Server.plg

?????文件???????1814??2012-09-25?11:16??java與c++通過socket通信\Server\source.cpp

?????目錄??????????0??2012-09-25?11:16??java與c++通過socket通信\Server\Debug

?????目錄??????????0??2012-09-25?11:16??java與c++通過socket通信\Server

?????目錄??????????0??2012-09-25?11:47??java與c++通過socket通信

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??????????????4812131????????????????????18