把搜索到的鏈接顯示在Textarea框中_瀏覽器特效

把搜索到的鏈接顯示在Textarea框中,您可以先修改部分代碼再運行.

</form>

<p>

<!--

version = 1.0;

// -->

</script>

<!--

version = 1.1;

// -->

</script>

<!--

// When set to true, searching for "fun*y" matches in the string "fun sky".

//  (it will also match the string "fun and here is some long dummy text for you"

//  which is obviously not what they were looking for, so we suggest you set

//  match_across_word_boundaries to false)

// When set to false, the * operator will not match across word boundaries so

// the above example will not match.

match_across_word_boundaries = false; // false is suggested strongly

// ************ NO NEED TO MODIFY ANYTHING BELOW THIS POINT ************

function Page(url,title,keywords) {

while ((url.length > 0) && (url.charAt(0) == " ")) {

url = url.substring(1,url.length);

}

this.url = url;

while ((title.length > 0) && (title.charAt(0) == " ")) {

title = title.substring(1,title.length);

}

this.title = title;

this.keywords = keywords;

return this;

}

function Database() {

var pos = 0;

while ((pos1 = amorphous.indexOf("~",pos)) != -1) {

pos2 = amorphous.indexOf("|",pos1+1);

pos3 = amorphous.indexOf("*",pos2+1);

if ((pos2 != -1)

&& (pos2 < pos3) && (pos3 <= amorphous.indexOf("*",pos))) {

this[database_length++] = new Page(amorphous.substring(pos,pos1),

amorphous.substring(pos1+1,pos2),

amorphous.substring(pos2+1,pos3));

pos = pos3+1;

} else { // error reading amorphous database

if (pos+30 <= amorphous.length)

alert('Error reading in amorphous database around "'

+ amorphous.substring(pos,pos+30) + '"');

pos = amorphous.indexOf("*",pos) + 1;

}

return this;

}

var array = new Object();

array_length = 0; // Netscape 2 fix

var position = new Object();

position_length = 0; // Netscape 2 fix

function pattern(str) {

array_length = position_length = 0;

while ((str.length > 1) && (str.charAt(0) == "*")) {

str = str.substring(1,str.length);

}

while ((str.length > 1) && (str.charAt(str.length-1) == "*")) {

str = str.substring(0,str.length-1);

}

if (str == "*")

return "(true)";

if (str.indexOf("*") == -1) {

array[array_length++] = str;

pat = "(combo.indexOf(array[0]) != -1)";

} else {

left = right = 0;

pat2 = "";

pat = "(((position[0] = combo.indexOf(array[0])) != -1)";

while ((right = str.indexOf("*",left)) != -1) {

array[array_length++] = str.substring(left,right);

pat += " && (position["+(position_length)+"] < (position["

+(++position_length)+"] = combo.indexOf(array["+(array_length)

+"],position["+(position_length-1)+"]+array["+(array_length-1)+"].length"+")))";

if (!match_across_word_boundaries)

pat2 = " && (no_back_up = ((back_up_pos += combo.substring("

+"temp_pos = back_up_pos = position["

+(position_length-1)+"]+array["+(array_length-1)+"].length,position["

+ (position_length) + "]).lastIndexOf(' ')) < temp_pos))" + pat2;

left = right+1;

}

array[array_length++] = str.substring(left,str.length);

pat += pat2+")";

}

return pat;

}

function search(str) {

menu_length = 0;

temp = new Object();

temp_length = 0;

words_length = 0;

words = new Object();

pos = 0;

while ((pos = str.indexOf(" ")) != -1

&& and_search != "exact") {

words[words_length] = str.substring(0,pos);

if (words[words_length].length > 0)

words_length++;

if (str.length == 1)

str="";

else

str = str.substring(pos+1,str.length);

}

if (str.length > 0)

words[words_length++] = str;

for (q=0;q<words_length;q++) {

temp_length = 0;

str = words[q].toLowerCase();

pattern_string = pattern(str);

start_pos = back_up_pos = 0;

len = (and_search=="and"&&q>0?menu_length:database_length);

for (n=0; n<len; n++) {

no_back_up = true;

position_length = 0;

if (and_search=="and"&&q>0) {

combo = (menu[n].title + " " + menu[n].keywords).toLowerCase();

} else {

combo = (database[n].title + " " + database[n].keywords).toLowerCase();

}

combo = combo.substring(start_pos,combo.length);

if (eval(pattern_string)) { // found

temp[temp_length++] = (and_search=="and"&&q>0?menu[n]:database[n]);

start_pos = 0;

} else if (!no_back_up) { // try pattern again in new spot

n--;

start_pos += back_up_pos+1;

} else { // not found

start_pos = 0;

}

if (and_search!="and" && q>0) {

added = 0;

for (i=0;i<temp_length;i++) {

duplicate = false;

for (j=0;j<menu_length&&!duplicate;j++) {

if (menu[j] == temp[i]) {

duplicate = true;

}

if (!duplicate)

menu[menu_length+(added++)] = temp[i];

}

menu_length += added;

} else {

for(h=0;h<temp_length;h++)

menu[h] = temp[h];

menu_length = temp_length;

}

function entry() {

if ((document.entryform.keyword.value.length == 0)

|| (document.entryform.keyword.value == " ")) {

alert("First you must enter a keyword to search for.");

return false;

}

and_search = (document.entryform.and_or.selectedIndex == 0?"and":"or");

if (document.entryform.and_or.selectedIndex == 2)

and_search = "exact";

if (version >= 1.1) {

search(document.entryform.keyword.value);

if (menu_length == 0)

menu[menu_length++] = new Page("","Not found!","");

document.display.found.options.length = menu_length;

for (n=0; n<menu_length; n++) {

if (menu[n].title.length <= 50)

document.display.found.options[n].text = menu[n].title;

else

document.display.found.options[n].text = menu[n].title.substring(0,50);

document.display.found.options[n].value = menu[n].url;

}

} else {

location.href = location.pathname + "?"

+ escape(document.entryform.keyword.value)

+ (and_search != "or"?"&"+and_search:"");

}

return false;

}

function go_there() {

sel = document.display.found.selectedIndex;

if ((sel != -1) && (document.display.found.options[sel].value.length > 0))

location.href = document.display.found.options[sel].value;

}

var amorphous = document.database.list.value;

temp_str = amorphous.substring(amorphous.length-2,amorphous.length);

if (temp_str.indexOf("*") == -1)

amorphous += "* ";

else

amorphous += " "; // amorphous database must have characters after last asterisk

database_length = 0; // Netscape 2 fix

var database = new Database(); // read in from amorphous database

menu_length = 0; // Netscape 2 fix

var menu = new Object();

string = "";

and_search = "or";

if (location.search.length > 1) {

string = unescape(location.search.substring(1,location.search.length));

pos = 0;

while ((pos = string.indexOf('"',pos)) != -1) {

string = string.substring(0,pos) + '\\"' + string.substring(pos+1,string.length);

pos += 2;

}

if (string.substring(string.length-4,string.length) == "&and") {

string = string.substring(0,string.length-4);

and_search = "and";

} else if (string.substring(string.length-6,string.length) == "&exact") {

string = string.substring(0,string.length-6);

and_search = "exact";

} else  if (string.substring(string.length-3,string.length) == "&or") {

string = string.substring(0,string.length-3);

and_search = "or";

}

search(string);

}

document.write('<form name="entryform" class="pt9" onSubmit="return entry()">'

+'Search for: <input type="text" type="pt9" size=15 name="keyword" value="'+string+'"> '

+'<input type="button" class="pt9" value="Search" onClick="entry()"><br><select name="and_or" '

+'size=1><option'+(and_search=="and"?" selected":"")+'>AND查詢 '

+'(AND)<option'+(and_search=="or"?" selected":"")+'>OR查詢 '

+'(OR)<option'+(and_search=="exact"?" selected":"")+'>完全'

+'匹配</select><br>""可以使用通配符</form><br>'

+'<form name="display"><select name="found" size=5>\n');

for (n=0; n<menu_length; n++)

document.write('<option value="'+menu[n].url+'">'+menu[n].title+'\n');

if ((menu_length == 0) && (location.search.length <= 1))

document.write('<option value="" class="pt9">Enter a search keyword above\n');

else if ((menu_length == 0) && (location.search.length > 1))

document.write('<option value="">關鍵字"'

+location.search.substring(1,location.search.length)+'"沒有發現!\n');

document.write('</select><br><input type="button" class="pt9" onClick="go_there()" '

+'value=" Go There "></form>');

// -->

</script>

所屬頻道：瀏覽器特效/更新時間：2012-11-30

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