Design ideas and some key code for batch deletion of THINKPHP3.0

This example shows the customer information in the customer information table. After batch deletion, the user displays the page code sdel.html to dynamically obtain the user information: & lt; formaction & quot ;__ URL _/sdelete/& quot; method & quot; post...

In this example, the customer information of the customer information table is deleted. First, the user displays the page code sdel.html to dynamically obtain the user information:

3.  
4. Customer ID 
5. Customer store name 
6. Customer name 
7. Customer phone number 
8. Customer address 
9. Select 
10.  
12.  
13. {$ Khxx. id}
14. {$ Khxx. name} 
15. {$ Khxx. cname} 
16. {$ Khxx. tel} 
17. {$ Khxx. address} 
18.  
19. // Note that the user ID transmitted to the delete page is hidden.
21.  
23. {$ Page} 
24.  

Delete method sdelete ()

1. ? Function sdelete (){
2.  
4. $ User = M ('customer'); // instantiate the model
6. If ($ data = $ user-> create () {// create a data object
7. $ Data = array_pop ($ data); // Convert the obtained two-dimensional array to one-dimensional array.
8. $ List = ""; // instantiate the parameter to be deleted
9. $ Max = count ($ data)-1; // extract the array length to prepare a loop
10. For ($ I = 0; $ I <= $ max; $ I ++) {// cyclically extract an array
11. If ($ I! = $ Max) {// if it is not the last value of the array, a comma (,) is added. otherwise, no separator is added and a loop is introduced. $ List
12. $ List = $ list. $ data [$ I]. ',';
13. } Else {
14. $ List = $ list. $ data [$ I];
15. }
16. }
18. If ($ user-> where ('Id in ('. $ list. ')-> delete () {// delete a data record. SQL = delete * from customer where id in ($ list );
19. $ This-> success ('deleted successfully ');
20. } Else {
21. $ This-> error ('deletion failed ');
22. }
23. } Else {
24. $ This-> error ('verification failed ');
25. }
26. }