Javascript 使用多个表单选择筛选json对象
我有一个json对象,如下所示:Javascript 使用多个表单选择筛选json对象,javascript,jquery,json,Javascript,Jquery,Json,我有一个json对象,如下所示: {"age":"18","50000": "641","100000": "1011","150000": "1391","gender":"female"}, {"age":"18","50000": "642","100000": "1012","150000": "1392","gender":"male"}, {"age":"20","50000": "643","100000": "1013","150000": "1393","gender":"ma
{"age":"18","50000": "641","100000": "1011","150000": "1391","gender":"female"},
{"age":"18","50000": "642","100000": "1012","150000": "1392","gender":"male"},
{"age":"20","50000": "643","100000": "1013","150000": "1393","gender":"male"}
我正在尝试建立一个小型“计算器”,用于根据用户输入显示价格:
<label for="gender">Gender</label>
<select id="gender" name="gender">
<option value="Female">Female</option>
<option value="Male">Male</option>
</select>
<label for="amount">Amount</label>
<select id="amount" name="amount">
<option value="50000">500 00</option>
<option value="100000">1 00000</option>
<option value="150000">1 50000</option>
</select>
<label for="age">Age</label>
<input id="age" name="age" type="text" />
有人知道我如何解决这个问题吗?obj.data中没有element.amount。年龄和性别是有区别的 我正在迭代数据对象,检查是否有任何值匹配。我假设这些将是唯一的记录,否则金额将被覆盖 看到这个了吗
是的,我知道。只是为了更好地解释我想要实现的目标。我想也许应该有一些if语句来确定金额值。太好了!非常感谢你!有关所需内容,请参见编辑
$(document).ready(function () {
//JSON object
var obj = {"data":
[
{"age":"18","50000": "641","100000": "1011","150000": "1391","gender":"female"},
{"age":"18","50000": "642","100000": "1012","150000": "1392","gender":"male"},
{"age":"20","50000": "643","100000": "1013","150000": "1393","gender":"male"}
]
};
//Find the value when form is submitted
$('#target').submit(function() {
obj.data = jQuery.grep(obj.data, function(element, index){
return element.age && element.gender && element.amount; // retain appropriate elements
});
//Empty the div
$('#price-result').empty();
//Show the result in div
$("#price-result").append("Age: element.age, Gender: element.gender, Amount: element.amount, Price: element.price-from-json");
return false;//Stop page from reloading
});
});
$(document).ready(function () {
//JSON object
var obj = {"data":
[
{"age":"18","50000": "641","100000": "1011","150000": "1391","gender":"female"},
{"age":"18","50000": "642","100000": "1012","150000": "1392","gender":"male"},
{"age":"20","50000": "643","100000": "1013","150000": "1393","gender":"male"}
]
};
//Find the value when form is submitted
$('#calc').click(function(e) {
e.preventDefault();
var data = jQuery.grep(obj.data, function(element, index){
return element.age && element.gender; // retain appropriate elements
});
var selectedGender = $('#gender').val().toString().toLowerCase();
var selectedAmount= $('#amount').val().toString().toLowerCase();
var selectedAge = $('#age').val().toString().toLowerCase();
var amount = "";
$.each(data,function(k, v){
if( data[k].age.toString().toLowerCase() == selectedAge &&
data[k].gender.toString().toLowerCase() == selectedGender &&
data[k][selectedAmount] != undefined){
amount = data[k][selectedAmount];
}
});
//Empty the div
$('#price-result').empty();
//Show the result in div
var displayText = "Age: " + selectedAge + ", Gender: " + selectedGender + ", Amount: " + amount + ", Price: element.price-from-json";
$("#price-result").append(amount == "" ? "No Results" : displayText);
return false;//Stop page from reloading
});
});