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byte[] smscontentdb = smscontentemp.getBytes("gbk"); <br> byte[] smscontent = new byte[smscontentdb.length + temp.length]; <br> System.arraycopy(smscontentdb, 0, smscontent, 0, smscontentdb.length); <br> System.arraycopy(temp, 0, smscontent, smscontentdb.length, temp.length); <br> SendSMS sendSMS = new SendSMS(); <br> sendSMS.SmsInit(); <br> if (sendSMS.SmsSend(mobileno, smscontent) >= 0) { <br> System.out.println("chenggong !"); <br> } <br> else { <br> System.out.println("shibai !"); <br> } <br> }catch (Exception ex) {} <br> } <br>}</p> <br><br> 在這個(gè)文件中要注意的有一點(diǎn)，就是在傳遞字節(jié)數(shù)組到C程序中時(shí)，最后的結(jié)尾一定要以0結(jié)束。這是一個(gè)偷懶的做法，不過是個(gè)有效的做法。因?yàn)榇蠖鄶?shù)情況下，接口是由第三方提供的。所以我們一般是不知道在C的方法里，具體是怎么處理參數(shù)的。而C又是要求數(shù)組是有長(zhǎng)度。所以，在Java中，如果你不想寫程序傳數(shù)組的長(zhǎng)度，那么在數(shù)組中以0結(jié)尾就是最方便的方法了。當(dāng)然，如果有更好的方法也希望大家提出。<br><br> 到這里，一個(gè)完整的Java通過JNI調(diào)用動(dòng)態(tài)鏈接庫的程序就完成了。實(shí)際上也不是很復(fù)雜。只要多注意一下細(xì)節(jié)，是很容易得出來的。 <BR clear=all></font></td></tr>
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<H1>Java: JNI完全手冊(cè)</H1></TD></TR>
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