如何使用 Windows API 从串口读取对方一次发送的任意长度的信息

你可以用 wmic 获得 你的 系统，设备，进程。。。方面的信息。拍 wmic /？ 可得帮助信息 （很多，很繁杂）

程序里用 system() 调用，把输出转向到文件，然后处理文件，得到需要的信息。

例如串行口：

system("wmic path Win32_SerialPort >> alog");

打印机命令

WMIC PRINTER LIST

WMIC PRINTER where PortName="LPT1:" GET PortName, Name, ShareName

盘的命令

wmic logicaldisk get namewmic diskdrive get model,name,size

Java代码

// android获取短信所有内容

// 注意设置权限[添加到AndroidMainfestxml] <uses-permission android:name="androidpermissionREAD_SMS" />

public String getSmsInPhone()

{

final String SMS_URI_ALL = "content://sms/";

final String SMS_URI_INBOX = "content://sms/inbox";

final String SMS_URI_SEND = "content://sms/sent";

final String SMS_URI_DRAFT = "content://sms/draft";

StringBuilder smsBuilder = new StringBuilder();

try{

ContentResolver cr = getContentResolver();

String[] projection = new String[]{"_id", "address", "person",

"body", "date", "type"};

Uri uri = Uriparse(SMS_URI_ALL);

Cursor cur = crquery(uri, projection, null, null, "date desc");

if (curmoveToFirst()) {

String name;

String phoneNumber;

String smsbody;

String date;

String type;

int nameColumn = curgetColumnIndex("person");

int phoneNumberColumn = curgetColumnIndex("address");

int smsbodyColumn = curgetColumnIndex("body");

int dateColumn = curgetColumnIndex("date");

int typeColumn = curgetColumnIndex("type");

do{

name = curgetString(nameColumn);

phoneNumber = curgetString(phoneNumberColumn);

smsbody = curgetString(smsbodyColumn);

SimpleDateFormat dateFormat = new SimpleDateFormat(

"yyyy-MM-dd hh:mm:ss");

Date d = new Date(LongparseLong(curgetString(dateColumn)));

date = dateFormatformat(d);

int typeId = curgetInt(typeColumn);

if(typeId == 1){

type = "接收";

} else if(typeId == 2){

type = "发送";

} else {

type = "";

}

smsBuilderappend("[");

smsBuilderappend(name+",");

smsBuilderappend(phoneNumber+",");

smsBuilderappend(smsbody+",");

smsBuilderappend(date+",");

smsBuilderappend(type);

smsBuilderappend("] ");

if(smsbody == null) smsbody = "";

}while(curmoveToNext());

} else {

smsBuilderappend("no result!");

}

smsBuilderappend("getSmsInPhone has executed!");

} catch(SQLiteException ex) {

Logd("SQLiteException in getSmsInPhone", exgetMessage());

}

return smsBuildertoString();

}

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