[英]Get cascading data from form into JSON object
我正在尝试构建一个“表单生成器”,您可以在其中将子字段添加到字段中,并将子字段添加到这些子字段中, 依此类推 。我已经完成了该部分的工作并将输出的html我粘贴到了pastebin上
看起来像:
我需要将数据转换为以下格式:
var form_structure = {
iGA2cXN3XXdmr1F: {
title: "Field 1",
help: "",
placeholder: "",
type: "multi-select",
options: {"123QWE": "Opt 1", "ASDZXC": "Opt 2", "ASDQWE": "Opt 3"},
subfields: {
m8r32skADKsQwNt: {
title: "Field 1.1",
help: "",
placeholder: "",
type: "text",
options: []
},
m8r32skADKsQwNt: {
title: "Field 1.2",
help: "",
placeholder: "",
type: "text",
options: []
},
m8r32skADKsQwNt: {
title: "Field 1.3",
help: "",
placeholder: "",
type: "text",
options: [],
subfields: {
m8r32skADKsQwNt: {
title: "Field 1.3.1",
help: "",
placeholder: "",
type: "text",
options: []
}
}
}
}
},
aBvXXN3XXdmr1F: {
title: "Field 2",
help: "",
placeholder: "",
type: "multi-select",
options: {"123QWE": "Opt 1", "ASDZXC": "Opt 2", "ASDQWE": "Opt 3"},
subfields: {
m8r32skADKsQwNt: {
title: "Field 2.1",
help: "",
placeholder: "",
type: "text",
options: []
}
}
}
};
我已经尝试过(对不起,格式化不好):
function buildRequestStringData(form) {
var select = form.find('select'),
input = form.find('input'),
options_arr = [],
obj = {},
requestString = '{';
for (var i = 0; i < select.length; i++) {
if(typeof $(select[i]).data('parentid') != 'undefined') {
// has parent
if($(select[i]).data('parentid') != $(select[i]).data('mainid')) {
requestString += '"' + $(input[i]).data('mainid') + '":"' + JSON.stringify(buildRequestStringData()) + '",';
}
} else {
// does not have parent
requestString += '"' + $(select[i]).attr('name') + '": "' +$(select[i]).val() + '",';
}
}
// if (select.length > 0) {
// requestString = requestString.substring(0, requestString.length - 1);
// }
for (var i = 0; i < input.length; i++) {
// if ($(input[i]).attr('type') !== 'checkbox') {
requestString += '"' + $(input[i]).attr('name') + '":"' + $(input[i]).val() + '",';
// } else {
// if ($(input[i]).attr('checked')) {
// requestString += '"' + $(input[i]).attr('name') +'":"' + $(input[i]).val() +'",';
// }
// }
}
if (input.length > 0) {
requestString = requestString.substring(0, requestString.length - 1);
}
requestString += '}]';
return requestString;
}
我能够接近此的最佳方法是摆弄小提琴 -但这仅允许我放下id
,而不能将其格式化为所需的格式。
做这个的最好方式是什么?
我认为您在正确的轨道上。 查看是否可以将HTML嵌套在与JSON相同的结构中,然后在收集每一项的详细信息时,沿着DOM树抓取每个父级的id
直到到达表单,然后创建/追加到嵌套JSON对象是您找到的数据。 如果这还不够说明性,我将修改答案以包含html和js示例。
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