在某些情况下,jQuery .prepend()
和.append()
插入文本而不是DOM对象。
要重现,请运行代码段,然后按详细说明栏中的Add group
链接。
插入的html显示为文本。
取而代之的是,应该出现bootsrtap面板。
看起来jQuery前置和附加不会添加DOM对象,原因不明。
如何解决此问题,以使新面板出现在详细信息面板之前和之后?
$(function() {
var startpos,
selected = $([]),
offset = {
top: 0,
left: 0
};
$('#designer-detail-addband').on('click', function() {
var $this = $(this),
$parentpanel = $this.parents(".designer-panel").get(0);
$parentpanel.prepend('<div class="panel designer-panel">' +
'<div class="panel-body designer-panel-body" style="height:1px">' +
'</div>' +
'<div class="bg-warning">' +
'<div class="panel-footer"><i class="glyphicon glyphicon-chevron-up">' +
'</i> Group heade {0}: <span id="band{0}_expr" contenteditable="true">"groupexpression"</span>' +
'</div></div></div>');
$parentpanel.append('<div class="panel designer-panel">' +
'<div class="panel-body designer-panel-body" style="height:1px"></div>' +
'<div class="bg-warning">' +
'<div class="panel-footer"><i class="glyphicon glyphicon-chevron-up">' +
'</i> Group footer {0}' +
'</div></div></div>');
});
$(".designer-panel-body").droppable({
accept: ".designer-field"
});
$(".designer-field").draggable({
start: function(event, ui) {
var $this = $(this);
if ($this.hasClass("ui-selected")) {
selected = $(".ui-selected").each(function() {
var el = $(this);
el.data("offset", el.offset());
});
} else {
selected = $([]);
$(".designer-field").removeClass("ui-selected");
}
offset = $this.offset();
},
drag: function(event, ui) {
// drag all selected elements simultaneously
var dt = ui.position.top - offset.top,
dl = ui.position.left - offset.left;
selected.not(this).each(function() {
var $this = $(this);
var elOffset = $this.data("offset");
$this.css({
top: elOffset.top + dt,
left: elOffset.left + dl
});
});
}
});
$(".panel-resizable").resizable({
minWidth: "100%",
maxWidth: "100%",
minHeight: 1
});
});
.panel-resizable {
min-height: 1px;
overflow: hidden;
margin: 0;
padding: 0;
}
.designer-field {
border: 1px solid lightgray;
white-space: pre;
overflow: hidden;
position: absolute;
}
.designer-panel-body {
min-height: 1px;
overflow: hidden;
margin: 0;
padding: 0;
}
.panel-footer {
padding: 0;
}
.designer-panel,
.panel-body {
margin: 0;
padding: 0;
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<link rel="stylesheet" href="http://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="http://code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
</head>
<body>
<div class='panel designer-panel'>
<div class='panel-body designer-panel-body panel-resizable' style='height:2cm'>
<div class='designer-field' style='left:5px;top:6px;width:180px'>field 1 in group 1 header</div>
<div class='designer-field' style='left:54px;top :36px;width:160px'>field 2 in group 1 header</div>
</div>
<div class='panel-footer'>Group 1 Header</div>
</div>
<div class='panel designer-panel'>
<div class='panel-body panel-resizable' style='height:1cm'>
<div class='designer-field' style='left:24px;top:2px;width:140px'>field in detail group</div>
</div>
<div class='panel-footer panel-primary'>Detail <a role="button" id="designer-detail-addband"> Add group</a>
</div>
</div>
<div class='panel'>
<div class='panel-body panel-resizable' style='height:1cm'>
<div class='designer-field' style='left:44px;top:2px;width:140px'>field in group 1 footer</div>
</div>
<div class='panel-footer panel-warning'>Group 1 Footer</div>
</div>
最佳答案
.get
返回HTMLElement
。这就是为什么它的附加字符串。
如果希望选择第一个元素,则应使用:first
选择器。
$parentpanel = $this.parents(".designer-panel:first");
$(function() {
var startpos,
selected = $([]),
offset = {
top: 0,
left: 0
};
$('#designer-detail-addband').on('click', function() {
var $this = $(this),
$parentpanel = $this.parents(".designer-panel:first");
$parentpanel.prepend('<div class="panel designer-panel">' +
'<div class="panel-body designer-panel-body" style="height:1px">' +
'</div>' +
'<div class="bg-warning">' +
'<div class="panel-footer"><i class="glyphicon glyphicon-chevron-up">' +
'</i> Group heade {0}: <span id="band{0}_expr" contenteditable="true">"groupexpression"</span>' +
'</div></div></div>');
$parentpanel.append('<div class="panel designer-panel">' +
'<div class="panel-body designer-panel-body" style="height:1px"></div>' +
'<div class="bg-warning">' +
'<div class="panel-footer"><i class="glyphicon glyphicon-chevron-up">' +
'</i> Group footer {0}' +
'</div></div></div>');
});
$(".designer-panel-body").droppable({
accept: ".designer-field"
});
$(".designer-field").draggable({
start: function(event, ui) {
var $this = $(this);
if ($this.hasClass("ui-selected")) {
selected = $(".ui-selected").each(function() {
var el = $(this);
el.data("offset", el.offset());
});
} else {
selected = $([]);
$(".designer-field").removeClass("ui-selected");
}
offset = $this.offset();
},
drag: function(event, ui) {
// drag all selected elements simultaneously
var dt = ui.position.top - offset.top,
dl = ui.position.left - offset.left;
selected.not(this).each(function() {
var $this = $(this);
var elOffset = $this.data("offset");
$this.css({
top: elOffset.top + dt,
left: elOffset.left + dl
});
});
}
});
$(".panel-resizable").resizable({
minWidth: "100%",
maxWidth: "100%",
minHeight: 1
});
})
.panel-resizable {
min-height: 1px;
overflow: hidden;
margin: 0;
padding: 0;
}
.designer-field {
border: 1px solid lightgray;
white-space: pre;
overflow: hidden;
position: absolute;
}
.designer-panel-body {
min-height: 1px;
overflow: hidden;
margin: 0;
padding: 0;
}
.panel-footer {
padding: 0;
}
.designer-panel,
.panel-body {
margin: 0;
padding: 0;
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<link rel="stylesheet" href="http://code.jquery.com/ui/1.11.4/themes/smoothness/jquery-ui.css">
<script src="http://code.jquery.com/jquery-1.11.3.min.js"></script>
<script src="http://code.jquery.com/ui/1.11.4/jquery-ui.js"></script>
</head>
<body>
<div class='panel designer-panel'>
<div class='panel-body designer-panel-body panel-resizable' style='height:2cm'>
<div class='designer-field' style='left:5px;top:6px;width:180px'>field 1 in group 1 header</div>
<div class='designer-field' style='left:54px;top :36px;width:160px'>field 2 in group 1 header</div>
</div>
<div class='panel-footer'>Group 1 Header</div>
</div>
<div class='panel designer-panel'>
<div class='panel-body panel-resizable' style='height:1cm'>
<div class='designer-field' style='left:24px;top:2px;width:140px'>field in detail group</div>
</div>
<div class='panel-footer panel-primary'>Detail <a role="button" id="designer-detail-addband"> Add group</a>
</div>
</div>
<div class='panel'>
<div class='panel-body panel-resizable' style='height:1cm'>
<div class='designer-field' style='left:44px;top:2px;width:140px'>field in group 1 footer</div>
</div>
<div class='panel-footer panel-warning'>Group 1 Footer</div>
</div>
它改用
ParentNode.prepend
。 Reference关于javascript - 如何强制.prepend()和.append()添加DOM对象,而不是文本,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/40326711/