func ParseJD(url string) (interface{}, error) {
url = safeUrl(url)
content, code := readContent(url)
if code != 200 {
return nil, errors.New(fmt.Sprintf("Error:%d\n", code))
}
var computer mgo_models.Computer
computer.ModelUrl = url
computer.ScanSite = "jd.com"
//匹配概览数据列表
ptnContentInfoList := regexp.MustCompile(`(?s)<ul id="parameter2" class="p-parameter-list">(.*?)</ul>`)
//匹配概览数据
ptnContentInfoValue := regexp.MustCompile(`<li title='(.*?)'>(.*?)：(.*?)</li>`)
//匹配详细数据表格
ptnContentTable := regexp.MustCompile(`(?s)<table cellpadding="0" cellspacing="1" width="100%" border="0" class="Ptable">(.*)</table>`)
//匹配各个模块信息，如主体、CPU、内存等
ptnContentSection := regexp.MustCompile(`="2">(.*)</th><tr>(?s:.*?)<th class="tdTitle" colspan`)
//匹配各个参数信息，如内存4G，硬盘500GB等
ptnContentRow := regexp.MustCompile(`<td class="tdTitle">(.*)</td><td>(.*)</td>`)
//匹配概览数据列
matchList := ptnContentInfoList.FindStringSubmatch(content)
if matchList != nil {
listContent := matchList[1]
matcheSections := ptnContentInfoValue.FindAllStringSubmatch(listContent, -1)
for _, section := range matcheSections {
switch strings.TrimSpace(strings.TrimSpace(section[2])) {
case "商品名称":
computer.Name = section[1]
case "品牌":
computer.Brand = section[1]
case "触摸":
computer.ScreenType = section[1]
case "电脑类别":
computer.Type = section[1]
case "商品编号":
computer.Code = fmt.Sprintf("%02d%s", SITECODE_JD, section[1])
computer.SKU = section[1]
case "显示器尺寸":
computer.ScreenSize = section[1]
case "显卡":
computer.GraphicsType = section[1]
}
}
}
//匹配表格
matchTable := ptnContentTable.FindStringSubmatch(content)
if matchTable != nil {
//加这个后缀
tableContent := matchTable[1] + "<th class=\"tdTitle\" colspan"
matcheSections := ptnContentSection.FindAllStringSubmatch(tableContent, -1)
for _, section := range matcheSections {
matchRows := ptnContentRow.FindAllStringSubmatch(section[0], -1)
switch strings.TrimSpace(section[1]) {
case "操作系统":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "操作系统", "OS":
computer.OS = row[2]
}
}
case "主体":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "系列":
computer.Series = row[2]
case "型号":
computer.Model = row[2]
case "平台":
computer.Platform = row[2]
case "操作系统":
computer.OS = row[2]
}
}
case "CPU", "处理器":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "类型", "CPU类型":
computer.CPUBrand = row[2]
case "型号", "CPU型号":
computer.CPUModel = row[2]
case "速度", "CPU速度":
computer.CPUFrequency = row[2]
case "核心数", "核心":
computer.CPUCoreNum = row[2]
case "二级缓存":
computer.CPUSecondCache = row[2]
case "三级缓存":
computer.CPUThirdCache = row[2]
}
}
case "显卡":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "品牌", "显卡品牌":
computer.GraphicsBrand = row[2]
case "芯片", "显卡芯片", "显示芯片":
computer.GraphicsModel = row[2]
case "显卡容量", "显存容量":
computer.GraphicsMemorySize = row[2]
case "显存规格":
computer.GraphicsMemoryType = row[2]
}
}
case "主板":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "芯片组":
//none
case "显卡类型":
computer.GraphicsType = row[2]
case "声卡":
computer.AudioCard = row[2]
case "网卡":
computer.WebCard = row[2]
}
}
case "内存":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "内存容量", "容量":
computer.MemorySize = row[2]
case "速度", "内存类型":
computer.MemoryType = row[2]
}
}
case "硬盘":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "容量", "硬盘容量":
computer.DiskSize = row[2]
case "类型", "硬盘类型":
computer.DiskType = row[2]
case "转速", "硬盘转速":
computer.DiskSpeed = row[2]
}
}
case "光驱":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "类型", "光驱类型":
computer.CDRom = row[2]
}
}
case "输入设备":
// None
case "规格", "机器规格", "电源":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "电源", "电池":
computer.Power = row[2]
case "电源功率":
computer.Power += " " + row[2]
case "尺寸":
computer.Size = row[2]
case "重量", "净重":
computer.Weight = row[2]
}
}
case "特性":
for _, row := range matchRows {
switch strings.TrimSpace(row[1]) {
case "特性":
computer.Feature = row[2]
}
}
}
}
}
if matchList == nil && matchTable == nil {
return nil, errors.New("无法从该页面获取信息")
}
computer.ID = bson.NewObjectId()
computer.IDStr = computer.ID.Hex()
//获取价格
urlGetPrice := fmt.Sprintf("http://p.3.cn/prices/get?skuid=J_%s", computer.SKU)
if c, code := readContent(urlGetPrice); code == 200 {
ptnGetPrice := regexp.MustCompile(`"p":"(.*)","m":"(.*)"`)
matchPrice := ptnGetPrice.FindStringSubmatch(c)
if matchPrice != nil {
temp, _ := strconv.ParseFloat(matchPrice[1], 32)
computer.JDPrice = float32(temp)
temp, _ = strconv.ParseFloat(matchPrice[2], 32)
computer.Price = float32(temp)
}
}
return computer, nil
}