易网时代-编程资源站
易网时代-编程资源站 表单转JSON
//把表单转换出json对象
$.fn.toJson = function () {
var self = this,
json = {},
push_counters = {},
patterns = {
"validate": /^[a-zA-Z][a-zA-Z0-9_]*(?:\[(?:\d*|[a-zA-Z0-9_]+)\])*$/,
"key": /[a-zA-Z0-9_]+|(?=\[\])/g,
"push": /^$/,
"fixed": /^\d+$/,
"named": /^[a-zA-Z0-9_]+$/
};
this.build = function (base, key, value) {
base[key] = value;
return base;
};
this.push_counter = function (key) {
if (push_counters[key] === undefined) {
push_counters[key] = 0;
}
return push_counters[key]++;
};
$.each($(this).serializeArray(), function () {
// skip invalid keys
if (!patterns.validate.test(this.name)) {
return;
}
var k,
keys = this.name.match(patterns.key),
merge = this.value,
reverse_key = this.name;
while ((k = keys.pop()) !== undefined) {
// adjust reverse_key
reverse_key = reverse_key.replace(new RegExp("\\[" + k + "\\]$"), '');
// push
if (k.match(patterns.push)) {
merge = self.build([], self.push_counter(reverse_key), merge);
}
// fixed
else if (k.match(patterns.fixed)) {
merge = self.build([], k, merge);
}
// named
else if (k.match(patterns.named)) {
merge = self.build({}, k, merge);
}
}
json = $.extend(true, json, merge);
});
return json;
};
JSON赋值表单
//将josn对象赋值给form
$.fn.loadData = function (obj) {
var key, value, tagName, type, arr;
this.reset();
for (var x in obj) {
if (obj.hasOwnProperty(x)) {
key = x;
value = obj[x];
this.find("[name='" + key + "'],[name='" + key + "[]']").each(function () {
tagName = $(this)[0].tagName.toUpperCase();
type = $(this).attr('type');
if (tagName == 'INPUT') {
if (type == 'radio') {
if ($(this).val() == value) {
$(this).attr('checked', true);
}
} else if (type == 'checkbox') {
arr = value.split(',');
for (var i = 0; i < arr.length; i++) {
if ($(this).val() == arr[i]) {
$(this).attr('checked', true);
break;
}
}
} else {
$(this).val(value);
}
} else if (tagName == 'SELECT' || tagName == 'TEXTAREA') {
$(this).val(value);
}
});
}
}
}