简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Home > Backend Development > PHP Tutorial > body text

Ajax small package get, post request

WBOY
Release： 2016-07-25 09:08:20
Original
828 people have browsed it
Ajax small encapsulation A small encapsulation of ajax get request
  2. function Ajax() {
  3. var xhr =null;
  4. if(window.XMLHttpRequest) {
  5. xhr = new XMLHttpRequest();
  6. } else {
  8. xhr = new ActiveXObject("Microsoft.XMLHttp");
  9. }
  10. this.get=function(url,success,fail){ //get request
  11. xhr.open("GET", "1.jsp",true);
  12. xhr.onreadystatechange=function(){
  13. if( xhr.readyState==4) {
  14. alert(xhr.status);
  15. if(xhr.status==200) {
  16. var txt = xhr.responseText;
  17. txt = eval("("+txt+")");
  18. var ch = txt.charAt(0);
  19. if(ch=="<") { //xml type
  20. var xml = xhr.responseXML;
  21. success(eval("("+xml+")")) ;
  22. } else if(ch=="["||ch=="{") {//json type
  23. txt = eval("("+txt+")");
  24. success(txt);
  25. } else {//If you don’t know, just return
  27. success(txt);
  28. }
  29. } else {
  30. if(fail) {
  31. fail(xhr.status);
  32. }
  33. }
  34. }
  36. };
  37. xhr.send(null );
  39. };
  42. this.post = function (url,param,success,fail) {//post request
  43. xhr.open("POST", "1.jsp",true);
  44. xhr.onreadystatechange =function(){
  45. if(xhr.readyState==4) {
  46. alert(xhr.status);
  47. if(xhr.status==200) {
  48. var txt = xhr.responseText;
  49. var ch = txt.charAt (0);
  50. if(ch=="<") { //xml type
  51. var xml = xhr.responseXML;
  52. success(eval("("+xml+")"));
  53. } else if(ch ==="["||ch=="{") {//json type
  54. txt = eval("("+txt+")");
  55. success(txt);
  56. } else {//Don't know, return directly
  58. success(txt);
  59. }
  61. } else {
  62. if(fail) {
  63. fail(xhr.status);
  64. }
  65. }
  66. }
  68. };
  69. xhr.setRequestHeader("Content-Type", " application/x-www-form-urlencoded");
  70. xhr.send(param);
  71. };
  73. }
Copy code


Related labels：
post request
source：php.cn
Previous article：BLOG moving and relocation Next article：PHP implements a simple calendar class
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1621
How to display the mobile version of Google Chrome Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
0
10
1776
The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
0
1
1514
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1425
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1470
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！