JSQL 응용 사례: 클 라 이언 트 기반 성적 통계

7389 단어 sql

다음은 example 코드 전 체 를 붙 여 놓 겠 습 니 다. 벽돌 을 찍 는 것 을 환영 합 니 다:
 
 
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">



<html xmlns="http://www.w3.org/1999/xhtml" >

<head>

<meta http-equiv="Content-Type" content="text/html; charset=utf-8">

<title>Marks Count</title>

<script type="text/javascript" src="../src/YESBRAIN.js"></script>

<script type="text/javascript" src="../src/JSQL.js"></script>

<script type="text/javascript" src="../src/JSQL-Memory.js"></script>

<script type="text/javascript" src="../src/JSQL-DOM.js"></script>

<style>

	#marks input {

		width: 100px;

	}

</style>



</head>

<body>

<center>

<h1>Marks Count</h1>

<p>

	<button onclick="insertline();"> Add one line </button>

	<button onclick="savemarks();"> Save Changes </button>

	<span>By<span>



	<select id="byfield">

		<option value="chinese" selected="selected">Chinese</option>

		<option value="math">Math</option>

		<option value="english">English</option>

	</select>

	<select id="ascdesc">

		<option value="desc" selected="selected">Desc</option>



		<option value="asc">Asc</option>

	</select>

	<button onclick="order();">Order</button>

</p>

<form name="marks" id="marks">

	<span>Name:</span>

	<input type="text" id="name[1]" value="zhangsan">

	<span>Sex:</span>



	<input type="text" id="sex[1]" value="female">

	<span>Chinese:</span>

	<input type="text" id="chinese[1]" value="96">

	<span>Math:</span>

	<input type="text" id="math[1]" value="94">

	<span>English:</span>

	<input type="text" id="english[1]" value="98">



	<br>

</form>

</center>



<script type="text/javascript">

	var marks = [

					{

						name: 'Lisi',

						sex: 'Female',

						chinese: '88',

						math: '90',

						english: '92'

					},

					{

						name: 'Wangwu',

						sex: 'Female',

						chinese: '92',

						math: '80',

						english: '82'

					},

					{

						name: 'Lilei',

						sex: 'Female',

						chinese: '93',

						math: '88',

						english: '87'

					},

					{

						name: 'HanMeimei',

						sex: 'Male',

						chinese: '97',

						math: '92',

						english: '100'

					},	

					{

						name: 'Wangjuan',

						sex: 'Male',

						chinese: '92',

						math: '93',

						english: '90'

					}				

	];

	

	function addto(index,name,sex,chinese,math,english) {

		"insert into marks (nodename,innerHTML) values ('span','Name:')".ForDOM().execute();

		("insert into marks (nodename,type,id,value) values ('input','text','name[" + (index) + "]','" + name + "')").ForDOM().execute();

		"insert into marks (nodename,innerHTML) values ('span','Sex:')".ForDOM().execute();

		("insert into marks (nodename,type,id,value) values ('input','text','sex[" + (index) + "]','" + sex + "')").ForDOM().execute();

		"insert into marks (nodename,innerHTML) values ('span','Chinese:')".ForDOM().execute();

		("insert into marks (nodename,type,id,value) values ('input','text','chinese[" + (index) + "]','" + chinese + "')").ForDOM().execute();

		"insert into marks (nodename,innerHTML) values ('span','Math:')".ForDOM().execute();

		("insert into marks (nodename,type,id,value) values ('input','text','math[" + (index) + "]','" + math + "')").ForDOM().execute();	

		"insert into marks (nodename,innerHTML) values ('span','English:')".ForDOM().execute();

		("insert into marks (nodename,type,id,value) values ('input','text','english[" + (index) + "]','" + english + "')").ForDOM().execute();

		("insert into marks (nodename) values ('br')").ForDOM().execute();		

	};

	

	for(var i=0; i<marks.length;i++) {

		addto(i+2,marks[i].name,marks[i].sex,marks[i].chinese,marks[i].math,marks[i].english);

	};

	

	function insertline() {

		var count = "select count(*) as Count from marks where id like 'name%'".ForDOM().query();

		var index = count[0].Count + 1;

		addto(index,"","","","","");

	};

	

	function dellastline() {

		var count = "select count(*) as Count from marks where id like 'name%'".ForDOM().query();

		var index = count[0].Count;

		("delete from marks where id like '%["+ index +"]'").ForDOM().execute();

	};

	

	"create table savedmarks".execute();

	

	function savemarks() {

		var names = ("select value from marks where id like 'name%'").ForDOM().query();

		var sexs = ("select value from marks where id like 'sex%'").ForDOM().query();

		var chineses = ("select value from marks where id like 'chinese%'").ForDOM().query();

		var maths = ("select value from marks where id like 'math%'").ForDOM().query();

		var englishs = ("select value from marks where id like 'english%'").ForDOM().query();

		"delete from savedmarks".execute();

		for(var i=0;i<names.length;i++) {

			("insert into savedmarks (name,sex,chinese,math,english) values ('"+ names[i].value +"','" + sexs[i].value + "'," + chineses[i].value + "," + maths[i].value + "," + englishs[i].value + ")").execute();

		};

		//alert(savedmarks);

	};

	

	function orderby(field,asc) {

		savemarks();

		var marks = ("select * from savedmarks order by " + field + " " + asc).query();

		"delete from marks".ForDOM().execute();

		for(var i=0; i<marks.length;i++) {

			addto(i+2,marks[i].name,marks[i].sex,marks[i].chinese,marks[i].math,marks[i].english);

		};

	};

	function order() {

		var byfield = document.getElementById("byfield").value;

		var ascdesc = document.getElementById("ascdesc").value;

		orderby(byfield,ascdesc);

	};

</script>



</body>

</html>


 
 
주로 네 개의 JS 라 이브 러 리 를 사용 하 는데 그 중에서 YESBRAIN. js 는 기본 라 이브 러 리 이 고 JSQL. js 는 인터페이스 이다.JSQL - memory. js 와 JSQL - DOM 은 각각 JSQL 이 javascript Objects Array 와 Html DOM 에 대한 SQL 을 실현 한다. 

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