JavaScript-How to get the URL link entered in the input box

How to achieve the following effects through PHP

Enter an address in the link box, submit

Click "View" to open the address entered above

Small white, sample code

Reply content:

How to achieve the following effects through PHP

Enter an address in the link box, submit

Click "View" to open the address entered above

Small white, sample code

Save the input link
Then show the second page of the link to view the address of the previous step to save the link

Figure One:

填写的表单已提交到后台入库，库中相应的有了这个链接的记录

Figure II:

属于从后台调数据到前台显示，“胃酸”这些内容是图一提交给好后台的，相应的将链接地址也传到后台并在“查看”标签查看

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