Добавил:
ivanov666
Опубликованный материал нарушает ваши авторские права? Сообщите нам.
Вуз:
Предмет:
Файл:Введение в Web-дизайн. Учебное пособие
.pdf
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
111
<tr align="center">
<td><input type=radio value="3" name="Otv"></td>
<td>6</td>
</tr>
<tr align="center">
<td colspan="2"><input type=button value="ɉɪɨɜɟɪɤɚ ɪɟɲɟɧɢɹ"
name="Go" onclick="javascript:Rbut();"></td>
</tr>
</table>
</form>
<script language="JavaScript">
function Rbut()
{
otv=document.Test2.Otv[1].checked;
if (otv){alert("ɉɨɬɪɹɫɚɸɳɟ!");}
else {alert("ɍɜɵ..");}
}
</script>
Ȼɨɥɟɟ ɫɟɪɶɟɡɧɚɹ ɡɚɞɚɱɚ ɩɪɨɜɟɪɤɢ ɡɧɚɧɢɹ ɬɚɛɥɢɰ ɢɫɬɢɧɧɨɫɬɢ ɫ ɩɨɦɨɳɶɸ ɤɨɦɚɧɞɧɵɯ ɤɧɨɩɨɤ ɦɨɠɟɬ ɛɵɬɶ ɪɟɚɥɢɡɨɜɚɧɚ ɫɥɟɞɭɸɳɢɦ ɨɛɪɚɡɨɦ.
112
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
ȼɵɛɨɪ ɩɪɚɜɢɥɶɧɨɝɨ ɢɥɢ ɨɲɢɛɨɱɧɨɝɨ ɨɬɜɟɬɚ ɩɪɢɜɨɞɢɬ ɤ ɩɨɹɜɥɟɧɢɸ
ɨɞɧɨɝɨ ɢɡ ɞɜɭɯ ɫɨɨɛɳɟɧɢɣ.
Ʉɨɞ ɫɤɪɢɩɬɚ ɪɚɡɦɟɳɟɧ ɧɢɠɟ.
<form name="Test3">
<table align="center" cellspacing="2" cellpadding="2" border="2">
<tr align="center">
<td colspan="4">Ʌɨɝɢɱɟɫɤɢɣ ɷɥɟɦɟɧɬ ɂɅɂ<br>
(ɨɩɟɪɚɰɢɹ ɞɢɡɴɸɧɤɰɢɢ, <br>ɥɨɝɢɱɟɫɤɨɟ ɫɥɨɠɟɧɢɟ)
</td>
<tr align="center">
<td>Ʌɨɝɢɱɟɫɤɢɟ <br>ɜɵɪɚɠɟɧɢɹ</td>
<td colspan="2">ȼɨɡɦɨɠɧɵɟ <br>ɨɬɜɟɬɵ </td>
</tr>
<tr align="center">
<td>0 V 0 =</td>
<td><input type=Button value="1"
onclick="javascript:No();"></td>
<td><input type=Button value="0"
onclick="javascript:Yes();"></td>
<td></td>
</tr>
<tr align="center">
<td>0 V 1 =</td>
<td><input type=Button value="1"
onclick="javascript:Yes();"></td>
<td><input type=Button value="0"
onclick="javascript:No();"></td>
</tr>
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
113
<tr align="center">
<td>1 V 0 =</td>
<td><input type=Button value="1"
onclick="javascript:Yes();"></td>
<td><input type=Button value="0"
onclick="javascript:No();"></td>
</tr>
<tr align="center">
<td>1 V 1 =</td>
<td><input type=Button value="1"
onclick="javascript:Yes();"></td>
<td><input type=Button value="0"
onclick="javascript:No();"></td>
</tr>
</table>
</form>
<script language="JavaScript">
function Yes() {
alert("ȼɟɪɧɨ");
}
function No() {
alert("Ɉɲɢɛɤɚ");
}
</script>
ɗɬɭ ɠɟ ɡɚɞɚɱɭ ɦɨɠɧɨ ɪɟɲɢɬɶ ɫ ɩɨɦɨɳɶɸ ɩɟɪɟɤɥɸɱɚɬɟɥɟɣ (ɪɚɞɢɨɤɧɨɩɨɤ).
114
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
ɉɪɢ ɪɚɛɨɬɟ ɫ ɷɬɨɣ ɮɨɪɦɨɣ ɧɭɠɧɨ ɚɤɬɢɜɢɡɢɪɨɜɚɬɶ ɨɞɧɨ ɢɡ ɞɜɭɯ ɜɨɡɦɨɠɧɵɯ ɫɨɫɬɨɹɧɢɣ ɤɚɠɞɨɝɨ ɩɟɪɟɤɥɸɱɚɬɟɥɹ ɢ ɫɞɟɥɚɬɶ ɳɟɥɱɨɤ ɩɨ ɤɧɨɩɤɟ, ɧɚɯɨɞɹɳɟɣɫɹ ɜ ɫɨɨɬɜɟɬɫɬɜɭɸɳɟɣ ɫɬɪɨɤɟ.
ȼɨɡɦɨɠɧɚɹ ɪɟɚɤɰɢɹ ɫɤɪɢɩɬɚ ɧɚ ɞɟɣɫɬɜɢɹ ɩɨɥɶɡɨɜɚɬɟɥɹ ɩɨɤɚɡɚɧɚ ɧɚ ɪɢɫɭɧɤɟ.
Ʌɢɫɬɢɧɝ ɞɚɧɧɨɝɨ ɫɤɪɢɩɬɚ ɩɪɢɜɟɞɟɧ ɧɢɠɟ.
<form name="Test4">
<table align="center" cellspacing="2" cellpadding="2" border="2">
<tr align="center">
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
115
<td colspan="4">Ʌɨɝɢɱɟɫɤɢɣ ɷɥɟɦɟɧɬ ɂɅɂ</td>
</tr>
<tr align="center">
<td rowspan="2">Ʌɨɝɢɱɟɫɤɢɟ <br>ɜɵɪɚɠɟɧɢɹ</td>
<td colspan="2">ȼɨɡɦɨɠɧɵɟ <br>ɨɬɜɟɬɵ</td>
<td rowspan="2">Ⱦɥɹ ɩɪɨɜɟɪɤɢ <br>ɩɪɢɧɹɬɨɝɨ ɪɟɲɟɧɢɹ<br>ɫɞɟɥɚɣɬɟ
ɳɟɥɱɨɤ<br>ɩɨ ɤɧɨɩɤɟ</td>
</tr>
<tr align="center">
<td>1</td>
<td>0</td>
</tr>
<tr align="center">
<td>0 V 0 =</td>
<td><input type=radio value="1" name="Otv1"></td>
<td><input type=radio value="2" name="Otv1"></td>
<td><input type=button value="ɉɪɨɜɟɪɤɚ"
name="Go" onclick="javascript:Analiz1();"></td>
</tr>
<tr align="center">
<td>0 V 1 =</td>
<td><input type=radio value="1" name="Otv2"></td>
<td><input type=radio value="2" name="Otv2"></td>
<td><input type=button value="ɉɪɨɜɟɪɤɚ"
name="Go" onclick="javascript:Analiz2();"></td>
</tr>
<tr align="center">
<td>1 V 0 =</td>
<td><input type=radio value="1" name="Otv3"></td>
<td><input type=radio value="2" name="Otv3"></td>
<td><input type=button value="ɉɪɨɜɟɪɤɚ"
name="Go" onclick="javascript:Analiz3();"></td>
</tr>
<tr align="center">
<td>1 V 1 =</td>
<td><input type=radio value="1" name="Otv4"></td>
<td><input type=radio value="2" name="Otv4"></td>
<td><input type=button value="ɉɪɨɜɟɪɤɚ"
name="Go" onclick="javascript:Analiz4();"></td>
</tr>
</table>
</form>
116
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
<script language="JavaScript">
function Analiz1() {
otv1=document.Test4.Otv1[1].checked;
if (otv1){alert("ȼɟɪɧɨ!");}
else {alert("ɍɜɵ..");}
}
</script>
<script language="JavaScript">
function Analiz2() {
otv2=document.Test4.Otv2[0].checked;
if (otv2){alert("ȼɟɪɧɨ!");}
else {alert("ɍɜɵ..");}
}
</script>
<script language="JavaScript">
function Analiz3() {
otv3=document.Test4.Otv3[0].checked;
if (otv3){alert("ȼɟɪɧɨ!");}
else {alert("ɍɜɵ..");}
}
</script>
<script language="JavaScript">
function Analiz4() {
otv4=document.Test4.Otv4[0].checked;
if (otv4){alert("ȼɟɪɧɨ!");}
else {alert("ɍɜɵ..");}
}
</script>
ɉɪɢɜɟɞɟɦ ɩɨɹɫɧɟɧɢɹ ɤ ɞɚɧɧɨɣ ɩɪɨɝɪɚɦɦɟ.
ɉɟɪɜɚɹ ɫɬɪɨɤɚ ɢɫɬɢɧɧɨɫɬɢ ɨɛɪɚɛɚɬɵɜɚɟɬɫɹ ɫ ɩɨɦɨɳɶɸ ɮɭɧɤɰɢɢ
Analiz1(), ɜɬɨɪɚɹ ɫɬɪɨɤɚ – ɫ ɩɨɦɨɳɶɸ ɮɭɧɤɰɢɢ Analiz2() ɢ ɬ.ɞ.
ɋɥɟɞɭɸɳɢɣ ɫɤɪɢɩɬ ɩɨɤɚɡɵɜɚɟɬ, ɤɚɤ ɫ ɩɨɦɨɳɶɸ ɮɥɚɝɨɜ (ɜɤɥɸɱɚɬɟɥɟɣ)
ɪɟɲɚɟɬɫɹ ɡɚɞɚɱɚ ɩɪɨɜɟɪɤɢ ɡɧɚɧɢɹ ɬɚɛɥɢɰɵ ɢɫɬɢɧɧɨɫɬɢ ɥɨɝɢɱɟɫɤɨɝɨ ɷɥɟɦɟɧɬɚ
ɂɅɂ. ȼ ɩɨ
ɥɹ, ɝɞɟ ɞɨɥɠɧɵ ɛɵɬɶ
ɥɨɝɢɱɟɫɤɢɟ ɟɞɢɧɢɰɵ, ɫɥɟɞɭɟɬ ɫɬɚɜɢɬɶ ɮɥɚɠɤɢ. ɉɨɥɹ, ɝɞɟ ɞɨɥɠɧɵ ɛɵɬɶ ɥɨɝɢɱɟɫɤɢɟ ɧɭɥɢ, ɞɨɥɠɧɵ ɨɫɬɚɬɶɫɹ ɩɭɫɬɵɦɢ. Ⱦɥɹ
ɩɪɨɜɟɪɤɢ ɩɪɢɧɹɬɨɝɨ ɪɟɲɟɧɢɹ ɧɭɠɧɨ ɫɞɟɥɚɬɶ ɳɟɥɱɨɤ ɩɨ ɤɧɨɩɤɟ "ɉɪɨɜɟɪɢɬɶ
ɪɟɲɟɧɢɟ".
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
117
ȼɨɡɦɨɠɧɵɟ ɨɬɜɟɬɵ ɤɨɦɩɶɸɬɟɪɚ ɧɚ ɞɟɣɫɬɜɢɹ ɩɨɥɶɡɨɜɚɬɟɥɹ ɩɨɤɚɡɚɧɵ ɧɚ
ɪɢɫɭɧɤɟ.
Ʉɨɞ ɩɪɨɝɪɚɦɦɵ ɩɪɢɜɟɞɟɧ ɧɢɠɟ.
<form name="TestFlag">
<table align="center" cellspacing="2" cellpadding="2" border="2">
<tr align="center">
<td colspan="2">Ʌɨɝɢɱɟɫɤɢɣ ɷɥɟɦɟɧɬ ɂɅɂ<br>
(ɨɩɟɪɚɰɢɹ ɞɢɡɴɸɧɤɰɢɢ, <br>ɥɨɝɢɱɟɫɤɨɟ ɫɥɨɠɟɧɢɟ)
</td>
118
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
<tr align="center">
<td>Ʌɨɝɢɱɟɫɤɢɟ <br>ɜɵɪɚɠɟɧɢɹ</td>
<td>Ⱦɥɹ ɜɜɨɞɚ 1<br>ɭɫɬɚɧɨɜɢɬɟ ɮɥɚɝ</td>
</tr>
<tr align="center">
<td>0 V 0 =</td>
<td><input type="Checkbox" value="1" name="Otvv1"></td>
</tr>
<tr align="center">
<td>0 V 1 =</td>
<td><input type="Checkbox" value="2" name="Otvv2"></td>
</tr>
<tr align="center">
<td>1 V 0 =</td>
<td><input type="Checkbox" value="3" name="Otvv3"></td>
</tr>
<tr align="center">
<td>1 V 1 =</td>
<td><input type="Checkbox" value="4" name="Otvv4"></td>
</tr>
<tr align="center">
<td colspan="2">
<input type="Button" value="ɉɪɨɜɟɪɢɬɶ ɪɟɲɟɧɢɟ" name="But" on-
click="javascript:Diz();">
</td>
</tr>
</table>
</form>
<script language="JavaScript">
function Diz() {
Otvs=new MyArray(0,0,0,0);
var Kol=4;
for (i=0; i<Kol; i+=1){
Otvs[i]=document.TestFlag.elements[i].checked;
}
Verno=Otvs[1]&&Otvs[2]&&Otvs[3]&&!Otvs[0];
if (Verno)
{alert("Ɉɬɜɟɬ ɩɪɚɜɢɥɶɧɵɣ"); }
if (!Verno)
{alert("Ɉɬɜɟɬ ɧɟɩɪɚɜɢɥɶɧɵɣ"); }
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
119
}
function MyArray(Ot1,Ot2,Ot3,Ot4){
this.Ot1=Ot1;
this.Ot2=Ot2;
this.Ot3=Ot3;
this.Ot4=Ot4;
}
</script>
Ⱦɥɹ ɢɧɬɟɪɚɤɬɢɜɧɨɝɨ ɜɡɚɢɦɨɞɟɣɫɬɜɢɹ ɩɨɥɶɡɨɜɚɬɟɥɹ ɫ ɗȼɆ ɦɨɠɟɬ ɛɵɬɶ
ɢɫɩɨɥɶɡɨɜɚɧ ɫɩɢɫɨɤ, ɢɡ ɤɨɬɨɪɨɝɨ ɫɥɟɞɭɟɬ ɜɵɛɢɪɚɬɶ ɩɨɞɯɨɞɹɳɢɣ ɨɬɜɟɬ. ɇɚɩɪɢɦɟɪ, ɬɚɤ, ɤɚɤ ɷɬɨ ɫɞɟɥɚɧɨ ɜ ɫɥɟɞɭɸɳɟɦ ɫɤɪɢɩɬɟ.
Ɋɟɚɤɰɢɹ ɩɪɨɝɪɚɦɦɵ ɧɚ ɞɟɣɫɬɜɢɹ ɩɨɥɶɡɨɜɚɬɟɥɹ ɛɭɞɟɬ ɬɚɤɨɣ (ɜ ɡɚɜɢɫɢɦɨɫɬɢ ɨɬ ɩɪɚɜɢɥɶɧɨɫɬɢ ɨɬɜɟɬɚ):
120
__________________________________________________________________________________
ɂɧɬɟɪɚɤɬɢɜɧɵɟ ɮɨɪɦɵ
ɉɪɢɜɟɞɟɦ ɥɢɫɬɢɧɝ ɩɪɨɝɪɚɦɦɵ.
<table align="center" cellspacing="2" cellpadding="2" border="2">
<tr>
<th>x<sub>2</sub></th>
<th>x<sub>1</sub></th>
<th>y</th>
</tr>
<tr>
<td>0</td>
<td>0</td>
<td>0</td>
</tr>
<tr>
<td>0</td>
<td>1</td>
<td>1</td>
</tr>
<tr>
<td>1</td>
<td>0</td>
<td>1</td>
</tr>
<tr>
<td>1</td>
<td>1</td>
<td>1</td>
</tr>
</table>
<br>
<p align="center">ȼɵɛɟɪɢɬɟ ɨɬɜɟɬ ɢɡ ɩɪɟɞɥɚɝɚɟɦɨɝɨ ɫɩɢɫɤɚ</p>
<div align="center">
Соседние файлы в предмете [НЕСОРТИРОВАННОЕ]