web通过python输入从java脚本函数的结果中删除数据

时间：2017-07-11 22:33:52

标签： javascript python web-scraping 

function cambia_regione(idregione){
	if (idregione==0){
		idregione=document.getElementById("idregione").value;
	}
	else{
		document.getElementById("idregione").value="";
	}
	document.getElementById("elencogdp").innerHTML="<img width='32' alt='' src='img/ajax-loader.gif' /><font color='red'><b>Attendere...</b></font>";
	(typeof spostati_su_tag=='function')?spostati_su_tag("elenco"):alert("La pagina non \u00E8 stata caricata correttamente, Provare a ripetere le operazioni in corso ricaricando la pagina con F5.");
	var url='cambiaregione.php?idregione='+idregione;
	ajax(url,
	function($g){
		document.getElementById("elencogdp").innerHTML=$g;
		spostati_su_tag("elenco");
	});
}
function cambia_ufficio_reg(idufficio){
	document.getElementById("esito"+idufficio).innerHTML="<img width='32' alt='' src='img/ajax-loader.gif' /><font color='red'><b>Attendere...</b></font>";
	var url='cambiaufficio_salva.php?idufficio='+idufficio;
	ajax(url,
	function($g){
		if ($g=="OK") {
			if (document.getElementById("f1").nextpagina.value!="") {
				document.getElementById("f1").pagina.value=document.getElementById("f1").nextpagina.value;
			}
			else{
				document.getElementById("f1").pagina.value="intro";
			}
			document.getElementById("f1").submit();
		}
		else{
			document.getElementById("esito"+idufficio).innerHTML=$g;
		}
	});
}
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			<form id="f1" name="f1" action="" method="post">
<input type='hidden' name='pagina' value='cambiaufficio' />
<input type='hidden' name='menu' value='ricerche' />
<input type='hidden' name='nextpagina' value='direttarg' />
	<div class="cartina">
		<p>&#115;c&#101;gl&#105;&#32;i&#108; s&#101;<!--span-->&#114;&#118;&#105;&#122;i&#111; &#110;&#101;ll&#101; &#114;eg&#105;o&#110;&#105; e&#118;id&#101;&#110;z&#105;a&#116;&#101;</p>
		<img alt="" src="img/cartaitalia_pda.jpg" width="239" height="268" border="0" align="top" usemap="#regioniMap"  />
		<map id="regioniMap" name="regioniMap">
		  <area shape="poly" coords="111,84,108,87,108,91,105,95,105,101,109,104,113,107,118,109,122,105,127,100,122,97,118,86,110,81" href="javascript:cambiaregione('10');" alt="Umbria" />
		  <area shape="poly" coords="120,73,132,82,135,90,138,99,129,102,122,98,120,87,112,83,111,76,120,76,122,74" href="javascript:cambiaregione('11');" alt="Marche" title="Marche" />
		  <area shape="poly" coords="119,15,113,14,109,14,106,16,104,22,106,24,102,28,98,30,93,35,89,33,86,38,86,43,97,52,106,51,114,53,111,48,109,44,113,38,119,37,124,36,124,34,120,33,116,32,114,28,114,25,113,23,119,14" href="javascript:cambiaregione('05');" alt="Veneto" />
		  <area shape="poly" coords="112,53,106,51,102,53,93,52,85,52,81,52,75,48,66,47,65,50,64,56,68,61,74,62,81,66,90,70,98,67,102,71,104,75,109,78,111,75,117,76,119,74,113,68,111,63,111,58" href="javascript:cambiaregione('08');" alt="Emilia Romagna" title="Emilia Romagna" />
		  <area shape="poly" coords="110,6,110,5,96,6,94,12,89,12,87,9,84,11,83,13,87,20,85,24,85,32,90,33,94,36,100,28,104,29,108,25,105,22,109,17,115,15,110,7,109,6" href="javascript:cambiaregione('04');" alt="Trentino Alto Adige" title="Trentino Alto Adige" />
		  <area shape="poly" coords="37,68,34,72,35,76,42,73,46,69,52,65,58,63,66,66,74,71,71,64,68,61,65,57,58,56,54,59,49,60,45,62,44,66,43,68,36,68" href="javascript:cambiaregione('07');" alt="Liguria" title="Liguria" />
		  <area shape="poly" coords="52,18,47,21,44,30,44,37,39,38,32,38,28,45,22,45,23,52,27,53,25,61,28,66,35,69,41,69,43,68,47,61,55,60,63,59,62,53,58,50,54,49,53,45,54,42,57,43,56,39,54,35,55,31,56,28,53,24,52,19" href="javascript:cambiaregione('01');" alt="Piemonte" title="Piemonte" />
		  <area shape="poly" coords="118,15,113,21,114,26,114,30,116,33,122,33,130,36,131,31,132,25,128,22,133,16,119,15" href="javascript:cambiaregione('06');" alt="Friuli Venezia Giulia" title="Friuli Venezia Giulia" />
		  <area shape="poly" coords="69,65,74,71,77,76,78,84,82,91,83,99,93,109,97,110,103,103,105,94,108,90,107,87,110,80,105,80,101,76,100,72,96,70,87,71,78,68,72,63,70,65" href="javascript:cambiaregione('09');" alt="Toscana" title="Toscana" />
		  <area shape="poly" coords="66,18,62,27,57,29,56,27,54,32,56,40,56,43,53,43,54,50,59,51,62,59,65,50,72,49,84,53,98,52,88,46,86,41,89,33,85,34,84,28,86,19,81,15,75,21,72,22,66,17,65,20" href="javascript:cambiaregione('03');" alt="Lombardia" title="Lombardia" />
		  <area shape="poly" coords="44,29,44,35,42,38,38,37,31,38,24,31,32,28,39,28,43,30" href="javascript:cambiaregione('02');" alt="Valle d'Aosta" title="Valle d'Aosta" />
		  <area shape="poly" coords="124,136,114,130,106,118,98,111,106,102,111,108,115,112,124,107,127,111,124,118,128,122,134,127,140,127,136,137,131,135,125,137" href="javascript:cambiaregione('12');" alt="Lazio" title="Lazio" />
		  <area shape="poly" coords="136,100,130,105,126,108,127,115,127,117,125,119,132,125,141,126,145,123,147,125,153,118,141,108,137,101" href="javascript:cambiaregione('13');" alt="Abruzzo" title="Abruzzo" />
		  <area shape="poly" coords="160,119,158,129,153,132,147,131,140,131,139,126,145,123,150,122,153,117,161,119" href="javascript:cambiaregione('14');" alt="Molise" title="Molise" />
		  <area shape="poly" coords="160,121,169,119,175,118,178,122,172,129,186,136,201,142,214,151,219,157,217,167,211,164,207,156,202,155,194,151,188,151,186,145,181,144,172,138,165,138,157,131,157,127,158,120,162,120" href="javascript:cambiaregione('16');" alt="Puglia" title="Puglia" />
		  <area shape="poly" coords="166,163,170,161,170,155,164,146,166,138,157,130,151,133,146,130,141,131,138,136,144,145,151,150,156,149,158,153,160,158,168,162,170,160" href="javascript:cambiaregione('15');" alt="Campania" title="Campania" />
		  <area shape="poly" coords="188,158,182,159,182,165,178,165,174,162,170,161,170,157,164,145,166,139,173,138,182,146,185,145,188,147,189,152,187,160" alt="Basilicata" href="javascript:cambiaregione('17');" />
		  <area shape="poly" coords="187,159,182,160,180,166,177,166,174,164,170,164,174,178,179,186,180,191,174,194,172,205,171,209,178,210,183,202,188,198,185,192,196,186,194,174,184,170,185,162" alt="Calabria" href="javascript:cambiaregione('18');" />
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		  <area shape="poly" coords="41,137,42,144,51,141,55,137,57,136,64,140,67,150,66,154,63,169,61,184,50,188,40,182,41,170,43,156,40,150,38,146,40,138" alt="Sardegna" href="javascript:cambiaregione('20');" title="Sardegna" />
		  </map>
	</div>
	<div class="cartina">
	<a name='elenco'></a><br />
	   <p>&nbsp;&nbsp;Oppure scegli la regione:</p>
	   <p>&nbsp;&nbsp;
		<select size="1" id="idregione" name="idregione"  onchange='javascript:cambiaregione(0);'>
<option value="">&nbsp;</option><option value="13">ABRUZZO</option>
<option value="17">BASILICATA</option>
<option value="18">CALABRIA</option>
<option value="15">CAMPANIA</option>
<option value="8">EMILIA-ROMAGNA</option>
<option value="6">FRIULI-VENEZIA GIULIA</option>
<option value="12">LAZIO</option>
<option value="7">LIGURIA</option>
<option value="3">LOMBARDIA</option>
<option value="11">MARCHE</option>
<option value="14">MOLISE</option>
<option value="1">PIEMONTE</option>
<option value="16">PUGLIA</option>
<option value="20">SARDEGNA</option>
<option value="19">SICILIA</option>
<option value="9">TOSCANA</option>
<option value="4">TRENTINO-ALTO ADIGE</option>
<option value="10">UMBRIA</option>
<option value="2">VALLE D'AOSTA</option>
<option value="5">VENETO</option>
</select>
		</p><br />
	<span id="elencogdp"></span>
	</div>
</form>
<br />
<div id='esito' align="left">
</div>
<script type="text/javascript">
function cambiaregione(c){(typeof cambia_regione=='function')?cambia_regione(c):alert("La pagina non \u00E8 stata caricata correttamente, Provare a ripetere le operazioni in corso ricaricando la pagina con F5.")}
function cambiaufficioreg(c){(typeof cambia_ufficio_reg=='function')?cambia_ufficio_reg(c):alert("La pagina non \u00E8 stata caricata correttamente, Provare a ripetere le operazioni in corso ricaricando la pagina con F5.")}
</script>			<!--div id="endCorpo"></div-->
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</div>
<div id="navtxt" class="navtext" style="position:absolute;top:-100px;left:0px;visibility:hidden"></div>
<div id="dialog-msg"></div>
</body></html>

嘿伙计们，我正在从网站上进行网络报道。我必须在栏中输入一个区域名称来触发javascrpit函数：cambia_region。在提交输入后如何使用python模拟提交表单动作来提取html？ 谢谢！

1 个答案:

答案 0 :(得分：0)

看看Selenium。你需要至少某种像PhantomJS这样的无头浏览器才能使它工作，因为JavaScript需要一个解释器

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