Jquery 如何在Python中接收对象数组作为参数,并使用AJAX作为HTTP请求传递?
我的ajax调用如下所示:Jquery 如何在Python中接收对象数组作为参数,并使用AJAX作为HTTP请求传递?,jquery,python,arrays,ajax,flask,Jquery,Python,Arrays,Ajax,Flask,我的ajax调用如下所示: $.ajax({ url: "/doSomeCoolThingOnServer", type: "POST", async: false, data: { simple_string: "Variable sent from client side", array_of_strings: ["John", "George"], array_of_objects: [ { city:
$.ajax({
url: "/doSomeCoolThingOnServer",
type: "POST",
async: false,
data: {
simple_string: "Variable sent from client side",
array_of_strings: ["John", "George"],
array_of_objects: [
{ city: "Shanghai", population: 1000 },
{ city: "Budapest", population: 2501 }
]
},
success: function(response) {
console.log("===== SUCCESS =====");
console.log(response);
},
error: function(response) {
console.log("===== ERROR =====");
console.log(response);
}
});
我试图在Python上以dict数组的形式接收对象的数组,但返回的却是空数组
@app.route("/doSomeCoolThingOnServer", methods=['POST'])
def doSomeCoolThingOnServer():
simple_string = request.form['simple_string']
array_of_strings = request.form.getlist('array_of_strings[]')
array_of_objects = request.form.getlist('array_of_objects[]')
print(simple_string) #returns desired string
print(array_of_strings) # returns desired array
print(array_of_objects) # returns empty array
请建议如何在Python中使用AJAX接收作为HTTP POST请求传递的参数的对象数组?您可以使用
JSON序列化对象。stringify
并反序列化,然后在服务器上使用JSON.loads
。这将有效地将对象数组作为字符串数组发送
为ajax调用序列化:
array_of_objects: [
JSON.stringify({ city: "Shanghai", population: 1000 }),
JSON.stringify({ city: "Budapest", population: 2501 })
]
在服务器上反序列化:
import json
array_of_objects = request.form.getlist('array_of_objects[]')
print([json.loads(s) for s in array_of_objects])
另一种选择是序列化整个数组,而不是单独序列化每个数组元素。这会将对象数组作为单个字符串发送:
array_of_objects: JSON.stringify([
{ city: "Shanghai", population: 1000 },
{ city: "Budapest", population: 2501 }
])
import json
array_of_objects = request.form['array_of_objects']
print(json.loads(array_of_objects))