Velocity common grammar

1. Variable: $ beginning, the first character must be a letter $ name => xiaoming
2. Segmentation: {} , and the divided character string variable, $ {name} hello => xiaominghello
3. Disclaimer: #set , #set ($ NUM = 0)
4. Import Script: #parse (file path) public partial import

   #parse("views/dspadvert/common/body_footer.vm")　

5. Double and single quotation marks, " $ name " => Xiaoming, ' $ name ' => '$ name'
6. Script logo statement: #

               #foreach($info2 in $basicInfo2)
                   <li class="otherinfo-list">
                         $info2.value
                   </li>
               #end        

7. Conditional statements

       #if ($ isHezhuo) ## partners: APP diversion 
           #set ($ linkFlag = "appdl") 
           #set ($ linkText = $ Phone) 
       #ElseIf ($ protectmp == "11" || $ protectmp == " 12 ") 
           #set ($ linkFlag =" sjbh ") 
           #set ($ linkText =" Privacy has enabled ") 
       #else 
           #set ($ linkFlag =" Phone ") 
           #set ($ linkText =" $ Phone ") 
       # end

8. Notes: ## single-line comments # * . . . . * # Multiline comment
9. Forced to nonexistent variables into empty: !

   #if($!guohufeiyong != "" && $!guohufeiyong == "53")