filter.js

这是一个ajax的例子大家好好的看看就是一个鱼眼的效果

if(!dojo._hasResource["dojox.dtl.tests.text.filter"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojox.dtl.tests.text.filter"] = true;
dojo.provide("dojox.dtl.tests.text.filter");

dojo.require("dojox.dtl");
dojo.require("dojox.dtl.Context");
dojo.require("dojox.dtl.utils.date");
dojo.require("dojox.date.php");
dojo.require("dojox.string.sprintf");

// If you update something here, update it in the HTML tests
doh.register("dojox.dtl.text.filter", 
	[
		function test_filter_add(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ four: 4 });
			tpl = new dd.Template('{{ four|add:"6" }}');
			t.is("10", tpl.render(context));
			context.four = "4";
			t.is("10", tpl.render(context));
			tpl = new dd.Template('{{ four|add:"six" }}');
			t.is("4", tpl.render(context));
			tpl = new dd.Template('{{ four|add:"6.6" }}');
			t.is("10", tpl.render(context));
		},
		function test_filter_addslashes(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ unslashed: "Test back slashes \\, double quotes \" and single quotes '" })
			var tpl = new dd.Template('{{ unslashed|addslashes }}');
			t.is("Test back slashes \\\\, double quotes \\\" and single quotes \\'", tpl.render(context));
		},
		function test_filter_capfirst(t){
			var dd = dojox.dtl;

			var tpl = new dd.Template('{{ uncapped|capfirst }}');
			t.is("Cap", tpl.render(new dd.Context({ uncapped: "cap" })));
		},
		function test_filter_center(t){
			var dd = dojox.dtl;

			var context = new dd.Context();
			var tpl = new dd.Template('{{ narrow|center }}');
			context.narrow = "even";
			t.is("even", tpl.render(context));
			context.narrow = "odd";
			t.is("odd", tpl.render(context));
			tpl = new dd.Template('{{ narrow|center:"5" }}');
			context.narrow = "even";
			t.is("even ", tpl.render(context));
			context.narrow = "odd";
			t.is(" odd ", tpl.render(context));
			tpl = new dd.Template('{{ narrow|center:"6" }}');
			context.narrow = "even";
			t.is(" even ", tpl.render(context));
			context.narrow = "odd";
			t.is(" odd  ", tpl.render(context));
			tpl = new dd.Template('{{ narrow|center:"12" }}');
			context.narrow = "even";
			t.is("    even    ", tpl.render(context));
			context.narrow = "odd";
			t.is("    odd     ", tpl.render(context));
		},
		function test_filter_cut(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ uncut: "Apples and oranges" });
			var tpl = new dd.Template('{{ uncut|cut }}');
			t.is("Apples and oranges", tpl.render(context));
			tpl = new dd.Template('{{ uncut|cut:"A" }}');
			t.is("pples and oranges", tpl.render(context));
			tpl = new dd.Template('{{ uncut|cut:" " }}');
			t.is("Applesandoranges", tpl.render(context));
			tpl = new dd.Template('{{ uncut|cut:"e" }}');
			t.is("Appls and orangs", tpl.render(context));
		},
		function test_filter_date(t){
			var dd = dojox.dtl;
			var context = new dd.Context({ now: new Date(2007, 0, 1), then: new Date(2007, 1, 1) });

			var tpl = new dd.Template('{{ now|date }}');
			t.is(dojox.dtl.utils.date.format(context.now, "N j, Y"), tpl.render(context));

			context.then = new Date(2007, 0, 1);
			tpl = new dd.Template('{{ now|date:"d" }}');
			t.is("01", tpl.render(context));

			tpl = new dd.Template('{{ now|date:"D" }}');
			t.is("Mon", tpl.render(context));

			tpl = new dd.Template('{{ now|date:"j" }}');
			t.is("1", tpl.render(context));

			tpl = new dd.Template('{{ now|date:"l" }}');
			t.is("Monday", tpl.render(context));

			tpl = new dd.Template('{{ now|date:"N" }}');
			t.is("Jan.", tpl.render(context));

			tpl = new dd.Template('{{ now|date:"S" }}');
			t.is("st", tpl.render(context));
			context.now.setDate(2);
			t.is("nd", tpl.render(context));
			context.now.setDate(3);
			t.is("rd", tpl.render(context));
			context.now.setDate(4);
			t.is("th", tpl.render(context));
			context.now.setDate(5);
			t.is("th", tpl.render(context));
			context.now.setDate(6);
			t.is("th", tpl.render(context));
			context.now.setDate(7);
			t.is("th", tpl.render(context));
			context.now.setDate(8);
			t.is("th", tpl.render(context));
			context.now.setDate(9);
			t.is("th", tpl.render(context));
			context.now.setDate(10);
			t.is("th", tpl.render(context));
			context.now.setDate(11);
			t.is("th", tpl.render(context));
			context.now.setDate(12);
			t.is("th", tpl.render(context));
			context.now.setDate(13);
			t.is("th", tpl.render(context));
			context.now.setDate(14);
			t.is("th", tpl.render(context));
			context.now.setDate(15);
			t.is("th", tpl.render(context));
			context.now.setDate(16);
			t.is("th", tpl.render(context));
			context.now.setDate(17);
			t.is("th", tpl.render(context));
			context.now.setDate(18);
			t.is("th", tpl.render(context));
			context.now.setDate(19);
			t.is("th", tpl.render(context));
			context.now.setDate(20);
			t.is("th", tpl.render(context));
			context.now.setDate(21);
			t.is("st", tpl.render(context));
			context.now.setDate(22);
			t.is("nd", tpl.render(context));
			context.now.setDate(23);
			t.is("rd", tpl.render(context));
			context.now.setDate(24);
			t.is("th", tpl.render(context));
			context.now.setDate(25);
			t.is("th", tpl.render(context));
			context.now.setDate(26);
			t.is("th", tpl.render(context));
			context.now.setDate(27);
			t.is("th", tpl.render(context));
			context.now.setDate(28);
			t.is("th", tpl.render(context));
			context.now.setDate(29);
			t.is("th", tpl.render(context));
			context.now.setDate(30);
			t.is("th", tpl.render(context));
			context.now.setDate(31);
			t.is("st", tpl.render(context));
			context.now.setDate(1);

			tpl = new dd.Template('{{ now|date:"w" }}');
			t.is("1", tpl.render(context));

			tpl = new dd.Template('{{ now|date:"z" }}');
			t.is("0", tpl.render(context));
		
			tpl = new dd.Template('{{ now|date:"W" }}');
			t.is("1", tpl.render(context));
		},
		function test_filter_default(t){
			var dd = dojox.dtl;

			var context = new dd.Context();
			tpl = new dd.Template('{{ empty|default }}');
			t.is("", tpl.render(context));
			tpl = new dd.Template('{{ empty|default:"full" }}');
			t.is("full", tpl.render(context));
			context.empty = "not empty";
			t.is("not empty", tpl.render(context));
		},
		function test_filter_default_if_none(t){
			var dd = dojox.dtl;

			var context = new dd.Context();
			tpl = new dd.Template('{{ empty|default_if_none }}');
			t.is("", tpl.render(context));
			tpl = new dd.Template('{{ empty|default_if_none:"full" }}');
			t.is("", tpl.render(context));
			context.empty = null;
			t.is("full", tpl.render(context));
			context.empty = "not empty";
			t.is("not empty", tpl.render(context));
		},
		function test_filter_dictsort(t){
			var dd = dojox.dtl;

			var context = new dd.Context({
				fruit: [
					{ name: "lemons", toString: function(){ return this.name; } },
					{ name: "apples", toString: function(){ return this.name; } },
					{ name: "grapes", toString: function(){ return this.name; } }
				]
			});
 			tpl = new dd.Template('{{ fruit|dictsort|join:"|" }}');
			t.is("lemons|apples|grapes", tpl.render(context));
			tpl = new dd.Template('{{ fruit|dictsort:"name"|join:"|" }}');
			t.is("apples|grapes|lemons", tpl.render(context));
		},
		function test_filter_dictsort_reversed(t){
			var dd = dojox.dtl;

			context = new dd.Context({
				fruit: [
					{ name: "lemons", toString: function(){ return this.name; } },
					{ name: "apples", toString: function(){ return this.name; } },
					{ name: "grapes", toString: function(){ return this.name; } }
				]
			});
			tpl = new dd.Template('{{ fruit|dictsortreversed:"name"|join:"|" }}');
			t.is("lemons|grapes|apples", tpl.render(context));
		},
		function test_filter_divisibleby(t){
			var dd = dojox.dtl;

			context = new dd.Context();
			tpl = new dd.Template('{{ 4|divisibleby:"2" }}');
			t.is("true", tpl.render(context));
			context = new dd.Context({ number: 4 });
			tpl = new dd.Template('{{ number|divisibleby:3 }}');
			t.is("false", tpl.render(context));
		},
		function test_filter_escape(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ unescaped: "Try & cover <all> the \"major\" 'situations' at once" });
			tpl = new dd.Template('{{ unescaped|escape }}');
			t.is("Try &amp; cover &lt;all&gt; the &quot;major&quot; &#39;situations&#39; at once", tpl.render(context));
		},
		function test_filter_filesizeformat(t){
			var dd = dojox.dtl;

			var tpl = new dd.Template('{{ 1|filesizeformat }}');
			t.is("1 byte", tpl.render());
			tpl = new dd.Template('{{ 512|filesizeformat }}');
			t.is("512 bytes", tpl.render());
			tpl = new dd.Template('{{ 1024|filesizeformat }}');
			t.is("1.0 KB", tpl.render());
			tpl = new dd.Template('{{ 2048|filesizeformat }}');
			t.is("2.0 KB", tpl.render());
			tpl = new dd.Template('{{ 1048576|filesizeformat }}');
			t.is("1.0 MB", tpl.render());
			tpl = new dd.Template('{{ 1073741824|filesizeformat }}');
			t.is("1.0 GB", tpl.render());
		},
		function test_filter_first(t){
			var dd = dojox.dtl;

			var context = new dd.Context({
				fruit: [
					{ name: "lemons", toString: function(){ return this.name; } },
					{ name: "apples", toString: function(){ return this.name; } },
					{ name: "grapes", toString: function(){ return this.name; } }
				]
			});
			tpl = new dd.Template('{{ fruit|first }}');
			t.is("lemons", tpl.render(context));
		},
		function test_filter_fix_ampersands(t){
			var dd = dojox.dtl;

			var tpl = new dd.Template('{{ "One & Two"|fix_ampersands }}');
			t.is("One &amp; Two", tpl.render());
		},
		function test_filter_floatformat(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ num1: 34.23234, num2: 34.00000 });
			var tpl = new dd.Template('{{ num1|floatformat }}');
			t.is("34.2", tpl.render(context));
			tpl = new dd.Template('{{ num2|floatformat }}');
			t.is("34", tpl.render(context));
			tpl = new dd.Template('{{ num1|floatformat:3 }}');
			t.is("34.232", tpl.render(context));
			tpl = new dd.Template('{{ num2|floatformat:3 }}');
			t.is("34.000", tpl.render(context));
			tpl = new dd.Template('{{ num1|floatformat:-3 }}');
			t.is("34.2", tpl.render(context));
			tpl = new dd.Template('{{ num2|floatformat:-3 }}');
			t.is("34", tpl.render(context));
		},
		function test_filter_get_digit(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ pi: 314159265 });
			var tpl = new dd.Template('{{ pi|get_digit:1 }}');
			t.is("3", tpl.render(context));
			tpl = new dd.Template('{{ pi|get_digit:"2" }}');
			t.is("1", tpl.render(context));
			tpl = new dd.Template('{{ pi|get_digit:0 }}');
			t.is("314159265", tpl.render(context));
			tpl = new dd.Template('{{ "nada"|get_digit:1 }}');
			t.is("0", tpl.render(context));
		},
		function test_filter_iriencode(t){
			var dd = dojox.dtl;

			var tpl = new dd.Template('{{ "http://homepage.com/~user"|urlencode|iriencode }}');
			t.is("http%3A//homepage.com/%7Euser", tpl.render());
			tpl = new dd.Template('{{ "[e-mail]"|iriencode }}');
			t.is("pottedmeat%40dojotoolkit.org", tpl.render());
		},
		function test_filter_join(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ items: ["foo", "bar", "baz" ]});
			var tpl = new dd.Template("{{ items|join }}");
			t.is("foo,bar,baz", tpl.render(context));

			tpl = new dd.Template('{{ items|join:"mustard" }}');
			t.is("foomustardbarmustardbaz", tpl.render(context));
		},
		function test_filter_length(t){
			var dd = dojox.dtl;

			var context = new dd.Context({
				fruit: [
					{ name: "lemons", toString: function(){ return this.name; } },
					{ name: "apples", toString: function(){ return this.name; } },
					{ name: "grapes", toString: function(){ return this.name; } }
				]
			});
			tpl = new dd.Template('{{ fruit|length }}');
			t.is("3", tpl.render(context));
			tpl = new dd.Template('{{ fruit|first|length }}');
			t.is("6", tpl.render(context));
		},
		function test_filter_length_is(t){
			var dd = dojox.dtl;

			var context = new dd.Context({
				fruit: [
					{ name: "lemons", toString: function(){ return this.name; } },
					{ name: "apples", toString: function(){ return this.name; } },
					{ name: "grapes", toString: function(){ return this.name; } }
				]
			});
			tpl = new dd.Template('{{ fruit|length_is:"3" }}');
			t.is("true", tpl.render(context));
			tpl = new dd.Template('{{ fruit|length_is:"4" }}');
			t.is("false", tpl.render(context));
		},
		function test_filter_linebreaks(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ unbroken: "This is just\r\n\n\ra bunch\nof text\n\n\nand such" });
			tpl = new dd.Template('{{ unbroken|linebreaks }}');
			t.is("<p>This is just</p>\n\n<p>a bunch<br />of text</p>\n\n<p>and such</p>", tpl.render(context));
		},
		function test_filter_linebreaksbr(t){
			var dd = dojox.dtl;

			var context = new dd.Context({ unbroken: "This is just\r\n\n\ra bunch\nof text\n\n\nand such" });
			tpl = new dd.Template('{{ unbroken|linebreaksbr }}');
			t.is("This is just<br /><br />a bunch<br />of text<br /><br /><br />and such", tpl.render(context));
		},
		function test_filter_linenumbers(t){
			var dd = dojox.dtl;