<!doctype html>
<html> <head>
<meta charset="UTF-8">
<title></title>
<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
<link href="css/mui.min.css" rel="external nofollow" rel="stylesheet" />
<script src="js/mui.min.js"></script>
<script src="js/jquery-3.1.1.js" type="text/javascript" charset="utf-8"></script>
<script type="text/javascript">
mui.init()
</script>
<style type="text/css">
td {
text-align: center;
} a {
cursor: pointer;
font-size: 13px;
} a:hover {
color: red;
} label {
color: red;
font-size: 12px;
}
</style>
</head> <body>
<table id="tabBook" border="1px" cellspacing="0" cellpadding="0">
<tr>
<th width="220px">编号</th>
<th width="220px">书名</th>
<th width="220px">作者</th>
<th width="220px">编辑</th>
</tr>
</table>
<fieldset id="">
<legend>图书信息</legend>
书名：<input type="text" id="txtName" /><br /> 作者：
<input type="text" id="txtAuthor" /><br />
<input type="hidden" name="txthidden" id="txthidden" value="" />
<input type="button" id="btnAdd" onclick="addBook()" value="添加" />
<input type="button" id="btnAdd" onclick="updating()" value="更新" />
</fieldset> <script type="text/javascript">
var db = openDatabase("MyBook", 1.0, "我的图书", 1024 * 1024 * 1024, null, null);
if(db)
log("已创建或已找到数据库！请操作~！"); //加载数据到表格
addTable(); //添加图书信息
function addBook() { var sql = "create table if not exists BookInfo(id integer primary key autoincrement,BookName text,Author text)"; db.transaction(function(tx) {
tx.executeSql(sql);//向数据库添加表
//插入数据
tx.executeSql("insert into BookInfo(BookName,Author) values(?,?)", [$("#txtName").val(), $("#txtAuthor").val()], function(tx, result) {
log("您已添加成功！");
addTable(); //清空文本框
$("#txtName").val("");
$("#txtAuthor").val("");
}, function(tx, error) {
log("很遗憾，添加失败！")
})
});
} // 加载数据到表格
function addTable() { db.transaction(function(tx) {
tx.executeSql(
"select id,BookName,Author from BookInfo", [],
function(tx, rs) {
var len = rs.rows.length;
var tab = $("#tabBook");
var Tr = $("#tabBook tr:first").clone();
tab.empty();
tab.append(Tr);
if(len > 0) {
for(var i = 0; i < len; i++) {
var id = rs.rows.item(i)["id"];
var name = rs.rows.item(i)["BookName"];
var author = rs.rows.item(i)["Author"];
var tr = "<tr><td>" + id + "</td><td>" + name + "</td><td>" + author + "</td><td><a id='" + id + "' onclick='Del(this.id)'>删除</a> | <a id='" + id + "' onclick='Update(this.id)'>修改</a></td></tr>";
$("#tabBook").append(tr);
}
}
},
function(tx, error) {
log("你还未成功添加图书信息！");
});
})
} //删除书籍信息
function Del(aid) { db.transaction(function(tx) { tx.executeSql("delete from BookInfo where id=?", [aid], function(tx, result) {
var al = confirm("确定要删除吗？");
if(al) {
$("#" + aid).closest("tr").remove();
} else {
log("您已取消操作！")
}
}, function(tx, error) {
log("错误：" + error.Message);
});
})
} //将所选书籍信息加载到文本框
function Update(aid) {
var id = $("#" + aid).parent().parent().children("td:eq(0)").text();
var name = $("#" + aid).parent().parent().children("td:eq(1)").text();
var author = $("#" + aid).parent().parent().children("td:eq(2)").text();
$("#txthidden").val(id);
$("#txtName").val(name);
$("#txtAuthor").val(author);
log("请在下面文本框中先修改所选书籍，再点击更新按钮进行修改！")
} //修改所选书籍信息
function updating() {
var id = $("#txthidden").val();
var name = $("#txtName").val();
var author = $("#txtAuthor").val();
db.transaction(function(tx) {
tx.executeSql("update BookInfo set BookName=?,Author=? where id=?", [name, author, id], function(tx, result) {
addTable();
log("数据已更新成功！")
}, function(tx, error) {
log("更新失败，请重试！");
})
})
}
//记录操作步骤
function log(msg) {
var lbl = "<label>" + msg + " </label><br />";
$("body").append(lbl);
}
</script> </body></html>
–老白菜原创
