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XMLHttpRequest RESTful (GET, POST, PUT, DELETE)
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| // Get all users | |
| var url = "http://localhost:8080/api/v1/users"; | |
| var xhr = new XMLHttpRequest() | |
| xhr.open('GET', url, true) | |
| xhr.onload = function () { | |
| var users = JSON.parse(xhr.responseText); | |
| if (xhr.readyState == 4 && xhr.status == "200") { | |
| console.table(users); | |
| } else { | |
| console.error(users); | |
| } | |
| } | |
| xhr.send(null); | |
| // Get a user | |
| var url = "http://localhost:8080/api/v1/users"; | |
| var xhr = new XMLHttpRequest() | |
| xhr.open('GET', url+'/1', true) | |
| xhr.onload = function () { | |
| var users = JSON.parse(xhr.responseText); | |
| if (xhr.readyState == 4 && xhr.status == "200") { | |
| console.table(users); | |
| } else { | |
| console.error(users); | |
| } | |
| } | |
| xhr.send(null); | |
| // Post a user | |
| var url = "http://localhost:8080/api/v1/users"; | |
| var data = {}; | |
| data.firstname = "John"; | |
| data.lastname = "Snow"; | |
| var json = JSON.stringify(data); | |
| var xhr = new XMLHttpRequest(); | |
| xhr.open("POST", url, true); | |
| xhr.setRequestHeader('Content-type','application/json; charset=utf-8'); | |
| xhr.onload = function () { | |
| var users = JSON.parse(xhr.responseText); | |
| if (xhr.readyState == 4 && xhr.status == "201") { | |
| console.table(users); | |
| } else { | |
| console.error(users); | |
| } | |
| } | |
| xhr.send(json); | |
| // Update a user | |
| var url = "http://localhost:8080/api/v1/users"; | |
| var data = {}; | |
| data.firstname = "John2"; | |
| data.lastname = "Snow2"; | |
| var json = JSON.stringify(data); | |
| var xhr = new XMLHttpRequest(); | |
| xhr.open("PUT", url+'/12', true); | |
| xhr.setRequestHeader('Content-type','application/json; charset=utf-8'); | |
| xhr.onload = function () { | |
| var users = JSON.parse(xhr.responseText); | |
| if (xhr.readyState == 4 && xhr.status == "200") { | |
| console.table(users); | |
| } else { | |
| console.error(users); | |
| } | |
| } | |
| xhr.send(json); | |
| // Delete a user | |
| var url = "http://localhost:8080/api/v1/users"; | |
| var xhr = new XMLHttpRequest(); | |
| xhr.open("DELETE", url+'/12', true); | |
| xhr.onload = function () { | |
| var users = JSON.parse(xhr.responseText); | |
| if (xhr.readyState == 4 && xhr.status == "200") { | |
| console.table(users); | |
| } else { | |
| console.error(users); | |
| } | |
| } | |
| xhr.send(null); |
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