Javascript 为3000个div创建状态机图表时JSP内存泄漏
我正在尝试使用jsPlumb生成流程图 instance.connect函数适用于较少的div(jsPlumb窗口),但当连接3000个div时,jsPlumb会使用大量内存和页面崩溃 是内存泄漏还是我做错了什么 下面是我目前使用的代码:Javascript 为3000个div创建状态机图表时JSP内存泄漏,javascript,jquery,arrays,memory-leaks,jsplumb,Javascript,Jquery,Arrays,Memory Leaks,Jsplumb,我正在尝试使用jsPlumb生成流程图 instance.connect函数适用于较少的div(jsPlumb窗口),但当连接3000个div时,jsPlumb会使用大量内存和页面崩溃 是内存泄漏还是我做错了什么 下面是我目前使用的代码: <div class="demo statemachine-demo" id="statemachine-demo"> <div class="w jsplumb-draggable jsplumb-droppable" id="flowch
<div class="demo statemachine-demo" id="statemachine-demo">
<div class="w jsplumb-draggable jsplumb-droppable" id="flowchartWindow1" style="top:10px">CBL RMODE(ANY) OPT(STD) LIST LIB<div class="ep"></div></div>
.... so on
<div class="w jsplumb-draggable jsplumb-droppable" id="flowchartWindow3000" style="top:10px">CBL RMODE(ANY) OPT(STD) LIST LIB<div class="ep"></div></div>
</div>
var instance;
jsPlumb.ready(function() {
instance = jsPlumb.getInstance({
Endpoint : ["Dot", {radius:2}],
HoverPaintStyle : {strokeStyle:"#1e8151", lineWidth:2 },
ConnectionOverlays : [
[ "Arrow", {location:1,id:"arrow",length:14,foldback:0.8}],/*[ "Label", { label:"FOO", id:"label", cssClass:"aLabel" }]*/],
Container:"statemachine-demo"
});
var windows = jsPlumb.getSelector(".statemachine-demo .w");
instance.draggable(windows);
instance.bind("click", function(c) {
instance.detach(c);
});
instance.bind("connection", function(info) {
//info.connection.getOverlay("label").setLabel(info.connection.id);
});
instance.doWhileSuspended(function() {
var isFilterSupported = instance.isDragFilterSupported();
if (isFilterSupported) {
instance.makeSource(windows, {
filter:".ep",
anchor:"Continuous",
connector:[ "Straight" ],
connectorStyle:{ strokeStyle:"#5c96bc", lineWidth:2, outlineColor:"transparent", outlineWidth:4 },
});
}
else {
var eps = jsPlumb.getSelector(".ep");
for (var i = 0; i < eps.length; i++) {
var e = eps[i], p = e.parentNode;
instance.makeSource(e, {
parent:p,
anchor:"Continuous",
connector:[ "Straight" ],
connectorStyle:{ strokeStyle:"#5c96bc",lineWidth:2, outlineColor:"transparent", outlineWidth:4 },
});
}
}
});
// initialise all '.w' elements as connection targets.
instance.makeTarget(windows, {
dropOptions:{ hoverClass:"dragHover" },
anchor:"Continuous",
allowLoopback:true,
anchor:"Continuous"
});
var len = $('.w').length;
for( var index=1; index < len; index++){
instance.connect({ source:("flowchartWindow"+index), target:("flowchartWindow"+(index+1))});
}
len = null;
});
CBL RMODE(任何)选项(标准)列表库
.... 等等
CBL RMODE(任何)选项(标准)列表库
var实例;
jsPlumb.ready(函数(){
instance=jsPlumb.getInstance({
端点:[“点”{半径:2}],
悬停画风:{strokeStyle:#1e8151',线宽:2},
连接概述:[
[“Arrow”,{location:1,id:Arrow,length:14,foldback:0.8}],/*[“Label”,{Label:FOO,id:Label,cssClass:aLabel}]*/],
容器:“状态机演示”
});
var windows=jsPlumb.getSelector(“.statemachine demo.w”);
实例。可拖动(windows);
绑定(“单击”,函数(c){
实例.分离(c);
});
绑定(“连接”,函数(信息){
//info.connection.getOverlay(“标签”).setLabel(info.connection.id);
});
instance.doWhileSuspended(函数(){
var isFilterSupported=instance.isDragFilterSupported();
如果(iFilterSupported){
实例。makeSource(windows{
过滤器:“.ep”,
主播:“连续”,
连接器:[“直”],
连接器样式:{strokeStyle:#5c96bc”,线宽:2,大纲颜色:“透明”,大纲宽度:4},
});
}
否则{
var-eps=jsPlumb.getSelector(“.ep”);
对于(变量i=0;i
有些地方使用的是jsplump
,有些地方使用的是生成的实例。试着只使用jsPlumb,看看问题是否可以重现。这没有任何区别。我使用的是github的statemachine演示脚本,唯一的区别是连接所有窗口的div和loop的数量。Google Chrome WebDev工具说布局强制:jsPlumbUtil.extend.getSize在timeline选项卡下有大量侦听器。内存快照显示数组是导致问题的原因。我不知道数组是否是某种参考数据。文档中没有提到如果我可以将这些数据移动到Java/PHP,并使用ajax查找值。