/*

         *

         * V1.0.0 表单自动取值、赋值插件

         * 表单类型：text radio select-one checkbox textarea

         * 注意项：

         * 1.表单必须设置name属性

         * 调用

         * 取值：formCore.getFormValues()

         * 赋值：formCore.setFormValues(json)

        */

        var formCore = (function() {

            var getCbxValues = function(name) {

                var values = '';

                var cks = document.getElementsByName(name);

                for (var i = 0; i < cks.length; i++) {

                    if (cks[i].checked) {

                        values += cks[i].value + ',';

                    }

                }

                if (values != '') {

                    values = values.substring(0, values.length - 1);

                }

                return values;

            };

            var checkFieldId = function(id) {

                var obj = document.getElementById(id);

                if (obj == null) {

                    alert("该区域ID对象不存在，请检查！");

                    return false;

                }

                return true;

            }

            /*

            * 表单值"和\需要转义 如\\ \"

            */

            var checkIptValue = function(v) {

                return v.replace(/\\/g, '\\\\').replace(/"/g, '\\"');

            }

            var isInArray = function(arr, value) {

                for (var i = 0; i < arr.length; i++) {

                    if (arr[i] == value) {

                        return true;

                    }

                }

                return false;

            }

            var setChecked = function(name, value) {

                var cks = document.getElementsByName(name);

                var arr = value.split(',');

                for (var i = 0; i < cks.length; i++) {

                    if (isInArray(arr, cks[i].value)) {

                        cks[i].checked = true;

                    }

                }

            }

            var getFormValues = function(fieldId) {

                var ipts = null;

                if (fieldId != undefined) {

                    if (checkFieldId(fieldId)) {

                        ipts = $("#" + fieldObj).find(":input");

                    } else {

                        return false;

                    }

                } else {

                    ipts = $(document.body).find(":input");

                }

                var json = '{';

                if (ipts.length > 0) {

                    var obj = null;

                    var oldCbxName = '',

                        objName,

                        objType;

                    for (var i = 0; i < ipts.length; i++) {

                        obj = ipts[i];

                        objName = obj.name;

                        objType = obj.type;

                        if (objType == "text" || objType == "textarea") {

                            json += '"' + objName + '":"' + checkIptValue($(obj).val()) + '",';

                        } else if (objType == "radio") {

                            if (obj.checked) {

                                json += '"' + objName + '":"' + $(obj).val() + '",';

                            }

                        } else if (objType == "select-one") {

                            json += '"' + objName + '":"' + $(obj).val() + '",';

                        } else if (objType == "checkbox") {

                            //相同类型checkbox只取一次

                            if (oldCbxName != objName) {

                                oldCbxName = objName;

                                json += '"' + objName + '":"' + getCbxValues(oldCbxName) + '",';

                            }

                        }

                    }

                    json = json.substring(0, json.length - 1);

                }

                json += '}';

                return json;

            };

            var setFormValues = function(json) {

                if (json != undefined && json != null) {

                    var obj = null,

                        sel = null,

                        objType = null;

                    for (var a in json) {

                        sel = ":input[name='" + a + "']";

                        obj = $(sel);

                        objType = obj[0].type;

                        if (objType == "text" || objType == "select-one" || objType == "textarea") {

                            obj.val(json[a]);

                        } else if (objType == "radio" || objType == "checkbox") {

                            setChecked(a, json[a]);

                        }

                    }

                }

            };

            return { getFormValues: getFormValues, setFormValues: setFormValues };

        })();