关于form验证代码分享

// 错误提示类型，1为alert，2为weebox提示，3为display一个div var warning_type = 3; var warning_msg = ""; var warningImagePath = '/Public/Images/'; var error_tag_id = 'show_error_span'; function show_error(msg){ switch(warning_type){ case 1: alert(msg); break; case 2: $.weeboxs.open(msg, {type:'error'}); break; case 3: $("#" + error_tag_id).html(msg); $("#" + error_tag_id).show(); break; } } function check_submit(form_obj){ for (var i = 0; i < form_obj.elements.length; i++) { var field_obj = form_obj.elements[i]; if(field_obj.getAttribute("restrict") != null){ if(!check_required(field_obj, false)) return false; } } return true; }; function check_query_submit(form_obj){ check_submit(form_obj); }; function check_required(field_obj, blank_accept){ var value = field_obj.value; if(blank_accept && value=='') return true; var restrict_list = field_obj.getAttribute("restrict"); var obj_name = field_obj.getAttribute("des"); if(obj_name == null){ obj_name = ""; }else{ obj_name += '-'; } if(restrict_list != null){ var r_arr = restrict_list.split(" "); for(var i = 0; i < r_arr.length; i++){ var limit_str = r_arr[i]; // alert(limit_str); // return false; switch(limit_str){ case('none'): return true; case('required'): if(!check_blank(value, obj_name)){ field_obj.focus(); return false; } break; case('int'): if(!check_number(value, obj_name)){ field_obj.focus(); return false; } break; case('double'): if(!check_double(value, obj_name)){ field_obj.focus(); return false; } break; case('decimal'): if(!check_double(value, obj_name)){ field_obj.focus(); return false; } break; case('email'): if(!check_email(value, obj_name)){ field_obj.focus(); return false; } break; case('date'): if(!check_date(value, obj_name)){ field_obj.focus(); return false; } break; case('time'): if(!check_time(value, obj_name)){ field_obj.focus(); return false; } break; case('url'): if(!check_url(value, obj_name)){ field_obj.focus(); return false; } break; case('ip'): if(!check_ip(value, obj_name)){ field_obj.focus(); return false; } break; default: return true; } } return true; } }; function check_blank(value, obj_name){ if(value != ''){ return true; }else{ show_error(obj_name + "所填不能为空！"); return false; } }; function check_number(value, obj_name){ var reg = "^[0-9]*$"; var reg_obj = new RegExp(reg); if(value.match(reg_obj)){ return true; }else{ show_error(obj_name + "所填必须为有效的数字！"); return false; } }; function check_double(value, obj_name){ var reg = "^[0-9]+(\.[0-9]+)?$"; var reg_obj = new RegExp(reg); if(value.match(reg_obj)){ return true; }else{ show_error(obj_name + "所填必须为有效的双精度数字！"); return false; } }; function check_ip(value, obj_name){ var reg = "^(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])\.(\d{1,2}|1\d\d|2[0-4]\d|25[0-5])$"; var reg_obj = new RegExp(reg); if(value.match(reg_obj)){ return true; }else{ show_error(obj_name + "所填必须为有效的IP地址！"); return false; } }; function check_url(value, obj_name){ var reg = "^http:\/\/[A-Za-z0-9]+\.[A-Za-z0-9]+[\/=\?%\-&_~`@[\]\':+!]*([^<>\"\"])*$"; var reg_obj = new RegExp(reg); if(value.match(reg_obj)){ return true; }else{ show_error(obj_name + "所填必须为有效的URL地址！"); return false; } }; function check_email(value, obj_name){ var reg = "^[a-zA-Z0-9_-]+(\.([a-zA-Z0-9_-])+)*@[a-zA-Z0-9_-]+[.][a-zA-Z0-9_-]+([.][a-zA-Z0-9_-]+)*$"; var reg_obj = new RegExp(reg); if(value.match(reg_obj)){ return true; }else{ show_error(obj_name + "所填必须为有效的email地址！"); return false; } }; function check_date(value, obj_name){ var reg = "^((\\d{4})|(\\d{2}))([-./])(\\d{1,2})\\4(\\d{1,2})$"; var reg_obj = new RegExp(reg); if(value.match(reg_obj)){ return true; }else{ show_error(obj_name + "所填必须为有效的日期格式！"); return false; } }; function check_time(field_obj, obj_name){ var reg = "^[a-zA-Z0-9_-]+(\.([a-zA-Z0-9_-])+)*@[a-zA-Z0-9_-]+[.][a-zA-Z0-9_-]+([.][a-zA-Z0-9_-]+)*$"; var reg_obj = new RegExp(reg); if(value.match(reg_obj)){ return true; }else{ show_error(obj_name + "所填必须为有效的时间格式！"); return false; } }; function check_str_len(field_obj, len){ var value = field_obj.value; if(value.length < len){ show_error(obj_name + "最少长度必须为"+len+"！"); return false; }else{ return true; } };