ajax处理表单函数（序列化函数）

来源：互联网发布：拼音读法软件编辑：程序博客网时间：2024/06/02 21:07
function serialize(form){                    var parts = [],                field = null,                i,                len,                j,                optLen,                option,                optValue;                        for (i=0, len=form.elements.length; i < len; i++){                field = form.elements[i];                            switch(field.type){                    case "select-one":                    case "select-multiple":                                            if (field.name.length){                            for (j=0, optLen = field.options.length; j < optLen; j++){                                option = field.options[j];                                if (option.selected){                                    optValue = "";                                    if (option.hasAttribute){                                        optValue = (option.hasAttribute("value") ? option.value : option.text);                                    } else {                                        optValue = (option.attributes["value"].specified ? option.value : option.text);                                    }                                    //parts.push(encodeURIComponent(field.name) + "=" + encodeURIComponent(optValue));parts.push(field.name + "=" + optValue);                                }                            }                        }                        break;                                            case undefined:     //fieldset                    case "file":        //file input                    case "submit":      //submit button                    case "reset":       //reset button                   //case "button":      //custom button                        break;                                            case "radio":       //radio button                    case "checkbox":    //checkbox                        if (!field.checked){                            break;                        }                        /* falls through */                                                        default:                        //don't include form fields without names                        if (field.name.length){                           // parts.push(encodeURIComponent(field.name) + "=" + encodeURIComponent(field.value));   parts.push(field.name + "=" + field.value);                        }                }            }                    return parts.join("&");        }