Ionic2 Angular2文本代码指令在ionic 2项目中不起作用
我正试图从中实现Angular2文本标记器directiv,但它不起作用。我得到了div,div是空的,没有滚动文本 对于测试,我将示例代码添加到我的项目中进行测试Ionic2 Angular2文本代码指令在ionic 2项目中不起作用,ionic2,angular2-directives,Ionic2,Angular2 Directives,我正试图从中实现Angular2文本标记器directiv,但它不起作用。我得到了div,div是空的,没有滚动文本 对于测试,我将示例代码添加到我的项目中进行测试 <ion-avatar item-left> <span class="story-username">{{getUsername()}}</span> <ion-icon name="icon-mapporia-edit" role="img" class="icon ic
<ion-avatar item-left>
<span class="story-username">{{getUsername()}}</span>
<ion-icon name="icon-mapporia-edit" role="img" class="icon icon-ios ion-ios-icon-mapporia-edit story-edit" aria-label="icon mapporia-edit" ng-reflect-name="icon-mapporia-edit"></ion-icon>
<p class="story-location">{{story.location}}</p>
<div class="tickerContainer myStyles">
<div ticker [trigger]="'auto'" [text]="'A statically-typed, long string'" [speed]="50" [padding-right]="40" [size]="20"></div>
</div>
<p class="story-time">{{calculatePostedTime()}}</p>
<rating [(ngModel)]="story.ratingAvarege" readOnly="true" max="5" emptyStarIconName="star-outline" halfStarIconName="star-half" starIconName="star" nullable="false"></rating>
<p class="story-subject">{{story.subject}}</p>
</ion-avatar>
<li class="thumnail-list" *ngFor="let image of story.images">
<img-loader [src]="image" [spinner]="true" class="thumnails" alt="Story Image" id="story-image">
</img-loader>
</li>
如果有人有经验帮我解决这个问题。
thnx
我发现了一只虫子。
请按照给出的方法更正以下方法:
getTextWidth(): number {
let t = this.r.createElement( document.getElementById('ghost'), 'div' );
// this.r.setText( t, this.text ); // not working, oddly
t.innerHTML = this.text; // quick fix
this.r.setElementStyle( t, 'font-size', this.size + 'px');
let w = t.offsetWidth;
t.innerHTML = '';
return w;
}
我也面临着和你一样的问题。您提供的链接中的ticker指令包含一些错误 老的-
createTickerNode(self:any,text:string):any{
self=this.r.createElement(this.el.nativeElement,'span');
this.r.setElementStyle(self,'padding right',this.paddingRight+'px');
this.r.setElementStyle(self,'font-size',this.size+'px');
this.r.setText(self,text);
回归自我;
}
更新的-
createTickerNode(self:any,text:string):any{
self=this.r.createElement(this.el.nativeElement,'span');
this.r.setElementStyle(self,'padding right',this.paddingRight+'px');
this.r.setElementStyle(self,'font-size',this.size+'px');
//this.r.setText(self,text);//奇怪的是,它不工作
self.innerHTML=this.text;//快速修复
回归自我;
}
用新代码替换ticker指令中的旧代码。
希望这将有助于解决您的问题。如果是,请将我的答案标记为正确:)谢谢您的建议@g00glen00b,我已经编辑了我的答案
.tickerContainer {
overflow-x: hidden;
overflow-y: scroll;
white-space: nowrap;
}
#ghost {
display: inline-block;
height: 0;
position: absolute;
}
.myStyles {
background: #eee;
color: blue;
border: 1px solid #ddd;
max-width: 200px;
cursor: pointer;
}
getTextWidth(): number {
let t = this.r.createElement( document.getElementById('ghost'), 'div' );
// this.r.setText( t, this.text ); // not working, oddly
t.innerHTML = this.text; // quick fix
this.r.setElementStyle( t, 'font-size', this.size + 'px');
let w = t.offsetWidth;
t.innerHTML = '';
return w;
}