Detailed explanation of text shrinking in specified columns of tables using Vue and jquery-JS Tutorial-php.cn

This article mainly introduces the sample code of Vue+jquery to realize text shrinking in specified columns of tables. The editor thinks it is quite good, so I will share it with you now and give it as a reference. Let’s follow the editor to take a look, I hope it can help everyone.

This article introduces the sample code of Vue+jquery to realize the text shrinking of the specified column of the table. I would like to share it with you. The details are as follows:

The effect is very good Simple, but really not easy to write, because Vue is not friendly to people who have no experience in front-end frameworks like React
(Complain less, work more, save time and go out to hi)

Let me talk first Let’s take a look at the detour I took: I wanted to use the v-if command to operate this column

The code is like this:

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changeTxt method to change the isAllTxt boolean to control the display of long and short text

, and then every time you click on any row, all the text in this column will be changed. Uh-huh, this kind of product will never agree. Do you think everyone will stand up in class? ? ?

Okay, we use the original development experience in the jquery era, pass in $(this) in the click event, and manually change the dom

(provided that the project is configured with jquery, please transfer Take a look at: http://www.jb51.net/article/115161.htm, go up and do it yourself. Oh no, configure it yourself)

changeTxt($( this))

changeTxt(ref) { ref.text(XXX); }

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The result is of course an error:

Then some students below asked whether jquery was misdirected? ? ?

Of course not, the this here is not the this of dom, it is the vm object of vue. If you don’t believe it, you can try it using jquery’s $ in the method. It is not a fault of jquery.

Anyone who likes to think about it says, can I just use this directly?

changeTxt(this)

What you get is not the object of the current element, and this path is blocked.

How do you get the object of the element in vue? ? ?

Define ref for the element

{{getShortStr(scope.row.benchmark)}}

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##pass this.$refs['txt'] in the method .text(XXX) changes the dom, huh?

What does the reference return? ? ? It's impossible to operate, and the label returned is the data in the last row of the table. Wow, it's a mess and explodes.

We have no choice but to use the stupidest method to define id for our span, and it is a different id, and use jquery to get the element corresponding to the id

   // changeTxt方法： changeTxt(txt,id) { this.isAllTxt = !this.isAllTxt; if(this.isAllTxt){ $('#'+id).text(txt); }else{ $('#'+id).text(this.getShortStr(txt)); } } // getShortStr 方法 getShortStr(txt_origin) { if(txt_origin.length > 20){ return txt_origin.substring(0,20); }else{ return txt_origin; } }

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It’s done, but the styles of jquery and vue are different, and the mixed experience is not very good. If you have a good method, please leave a message and let me know. I will definitely send a thank you! ! !

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