Golang strings.Split函数代码示例

// TextToCSV converts the specified text to an array of csv values
func TextToCSV(text string) [][]string {
	lines := strings.Split(text, "\n")
	collection := [][]string{}

	// should we skip the header
	hasHeader := false
	if len(lines) > 1 {
		// first row should be the header
		hasHeader = true
	}

	// parse each line
	for idx, line := range lines {
		// ignore the first row
		if hasHeader {
			if idx == 0 {
				continue
			}
		}

		// get data from each line
		parts := strings.Split(line, ",")
		if len(parts) < minCSVRowLen {
			// ignore lines that don't have enough columns
			continue
		}
		collection = append(collection, parts)
	}
	return collection
}

func SendEmail(to, subject, title, body string) bool {
	hp := strings.Split(host, ":")
	auth := smtp.PlainAuth("", username, password, hp[0])

	var content_type string

	mailtype := "html"
	if mailtype == "html" {
		content_type = "Content-Type: text/" + mailtype + "; charset=UTF-8"
	} else {
		content_type = "Content-Type: text/plain" + "; charset=UTF-8"
	}

	// 登录之
	body = strings.Replace(bodyTpl, "$body", body, 1)
	body = strings.Replace(body, "$title", title, 1)

	msg := []byte("To: " + to + "\r\nFrom: " + username + "<" + username + ">\r\nSubject: " + subject + "\r\n" + content_type + "\r\n\r\n" + body)
	send_to := strings.Split(to, ";")
	err := smtp.SendMail(host+":"+port, auth, username, send_to, msg)

	if err != nil {
		return false
	}
	return true
}

/*
returns a zero length list if no sites are found.
*/
func getSites(w http.ResponseWriter, r *http.Request) ([]siteQ, bool) {
	var sites = make([]siteQ, 0)

	for _, ns := range strings.Split(r.URL.Query().Get("sites"), ",") {
		nss := strings.Split(ns, ".")
		if len(nss) != 2 {
			web.BadRequest(w, r, "invalid sites query.")
			return sites, false
		}
		sites = append(sites, siteQ{networkID: nss[0], siteID: nss[1]})
	}

	for _, s := range sites {
		err := db.QueryRow("select name FROM fits.site join fits.network using (networkpk) where siteid = $2 and networkid = $1", s.networkID, s.siteID).Scan(&s.name)
		if err == sql.ErrNoRows {
			web.NotFound(w, r, "invalid siteID and networkID combination: "+s.siteID+" "+s.networkID)
			return sites, false
		}
		if err != nil {
			web.ServiceUnavailable(w, r, err)
			return sites, false
		}
	}

	return sites, true
}

func (r *resolver) handlePTRQuery(ptr string, query *dns.Msg) (*dns.Msg, error) {
	parts := []string{}

	if strings.HasSuffix(ptr, ptrIPv4domain) {
		parts = strings.Split(ptr, ptrIPv4domain)
	} else if strings.HasSuffix(ptr, ptrIPv6domain) {
		parts = strings.Split(ptr, ptrIPv6domain)
	} else {
		return nil, fmt.Errorf("invalid PTR query, %v", ptr)
	}

	host := r.backend.ResolveIP(parts[0])

	if len(host) == 0 {
		return nil, nil
	}

	logrus.Debugf("Lookup for IP %s: name %s", parts[0], host)
	fqdn := dns.Fqdn(host)

	resp := new(dns.Msg)
	resp.SetReply(query)
	setCommonFlags(resp)

	rr := new(dns.PTR)
	rr.Hdr = dns.RR_Header{Name: ptr, Rrtype: dns.TypePTR, Class: dns.ClassINET, Ttl: respTTL}
	rr.Ptr = fqdn
	resp.Answer = append(resp.Answer, rr)
	return resp, nil
}

/*
* Function to format the reply of the PortFolio Stocks
* @params stocks: String which holds values like `GOOGL:0:$656.99,APPL:5:$96.11`
* @params stockdata: Stucture of the YAHOO API
* @return: Formatted string like 'GOOGL:0:+$656.99','APPL:5:+$96.11'
 */
func format_reply_portfoliostocks(stocks string, stockdata *StockData) string {
	var value string
	stock := strings.Split(stocks, ",")
	for i := 0; i < len(stockdata.List.Resources); i++ {
		StockName := stockdata.List.Resources[i].Resource.Fields.Symbol
		for j := 0; j < len(stock); j++ {
			if !strings.EqualFold(StockName, strings.Split(stock[j], ":")[0]) {
				continue
			}
			CurrentMarketValue, _ := strconv.ParseFloat(stockdata.List.Resources[i].Resource.Fields.Price, 64)
			StockPrice, _ := strconv.ParseFloat(strings.Split(stock[j], ":")[2], 64)
			quantity := strings.Split(stock[j], ":")[1]
			value = value + ",'" + StockName + ":" + quantity
			if CurrentMarketValue > StockPrice {
				value = value + ":+$"
			} else if CurrentMarketValue < StockPrice {
				value = value + ":-$"
			} else {
				value = value + ":$"
			}
			value = value + strconv.FormatFloat(CurrentMarketValue, 'f', 2, 64) + "'"
		}
	}
	return strings.Trim(value, ",")
}

func (d *Driver) GetIP() (string, error) {
	// DHCP is used to get the IP, so virtualbox hosts don't have IPs unless
	// they are running
	s, err := d.GetState()
	if err != nil {
		return "", err
	}
	if s != state.Running {
		return "", drivers.ErrHostIsNotRunning
	}

	output, err := drivers.RunSSHCommandFromDriver(d, "ip addr show dev eth1")
	if err != nil {
		return "", err
	}

	log.Debugf("SSH returned: %s\nEND SSH\n", output)

	// parse to find: inet 192.168.59.103/24 brd 192.168.59.255 scope global eth1
	lines := strings.Split(output, "\n")
	for _, line := range lines {
		vals := strings.Split(strings.TrimSpace(line), " ")
		if len(vals) >= 2 && vals[0] == "inet" {
			return vals[1][:strings.Index(vals[1], "/")], nil
		}
	}

	return "", fmt.Errorf("No IP address found %s", output)
}

// return true if data needs to be written here
func QueueRemoteWrite(req *gomemcached.MCRequest) {

	key := req.Key
	nodeList := getVbucketNode(int(findShard(string(key))))
	nodes := strings.Split(nodeList, ";")

	if len(nodes) < 1 {
		log.Fatal("Nodelist is empty. Cannot proceed")
	}

	if len(nodes) < 2 {
		//no replica
		return
	}

	var remoteNode string
	// figure out which is the remote host and queue to the write to that node
	for _, node := range nodes {
		found := false
		hostname := strings.Split(node, ":")
		for _, ip := range ipList {
			if ip == hostname[0] {
				found = true
				continue
			}
		}
		if found == false {
			remoteNode = node
		}
	}

	ri := &repItem{host: remoteNode, req: req, opcode: OP_REP}
	repChan <- ri
	return
}

func decodeSecureCookie(value string) (user string, session string, err os.Error) {
	parts := strings.Split(value, "|", 3)
	if len(parts) != 3 {
		err = os.NewError("Malformed cookie value")
		return
	}
	val := parts[0]
	timestamp := parts[1]
	sig := parts[2]
	// Check signature
	if getCookieSig([]byte(val), timestamp) != sig {
		return "", "", os.NewError("Signature error, cookie is invalid")
	}
	// Check time stamp
	ts, _ := strconv.Atoi64(timestamp)
	if ts+maxAge < time.UTC().Seconds() {
		return "", "", os.NewError("Cookie is outdated")
	}

	buf := bytes.NewBufferString(val)
	encoder := base64.NewDecoder(base64.StdEncoding, buf)
	res, _ := ioutil.ReadAll(encoder)
	str := string(res)
	lst := strings.Split(str, "!", -1)
	if len(lst) != 2 {
		return "", "", os.NewError("Missing !")
	}
	return lst[0], lst[1], nil
}

// TODO: This could use a unit test.
func parseSwarm(hostURL string, h *host.Host) (string, error) {
	swarmOptions := h.HostOptions.SwarmOptions

	if !swarmOptions.Master {
		return "", fmt.Errorf("%q is not a swarm master. The --swarm flag is intended for use with swarm masters", h.Name)
	}

	u, err := url.Parse(swarmOptions.Host)
	if err != nil {
		return "", fmt.Errorf("There was an error parsing the url: %s", err)
	}
	parts := strings.Split(u.Host, ":")
	swarmPort := parts[1]

	// get IP of machine to replace in case swarm host is 0.0.0.0
	mURL, err := url.Parse(hostURL)
	if err != nil {
		return "", fmt.Errorf("There was an error parsing the url: %s", err)
	}

	mParts := strings.Split(mURL.Host, ":")
	machineIP := mParts[0]

	hostURL = fmt.Sprintf("tcp://%s:%s", machineIP, swarmPort)

	return hostURL, nil
}

func IsOwner(req *gomemcached.MCRequest) bool {

	key := req.Key
	nodeList := getVbucketNode(int(findShard(string(key))))
	nodes := strings.Split(nodeList, ";")

	//log.Printf(" Nodes list %v key %s", nodes, string(key))
	if strings.Contains(nodes[0], "localhost") || strings.Contains(nodes[0], "127.0.0.1") || nodes[0] == "" {
		return true
	}

	if len(nodes) < 1 {
		log.Fatal("Nodelist is empty. Cannot proceed")
	}

	for _, node := range nodes {
		hostname := strings.Split(node, ":")
		for _, ip := range ipList {
			if ip == hostname[0] {
				return true
			}
		}
	}

	return false
}

func (s *initSystemSuite) TestNewServiceLogfile(c *gc.C) {
	s.conf.Logfile = "/var/log/juju/machine-0.log"
	service := s.newService(c)

	dirname := fmt.Sprintf("%s/init/%s", s.dataDir, s.name)
	script := `
#!/usr/bin/env bash

# Set up logging.
touch '/var/log/juju/machine-0.log'
chown syslog:syslog '/var/log/juju/machine-0.log'
chmod 0600 '/var/log/juju/machine-0.log'
exec >> '/var/log/juju/machine-0.log'
exec 2>&1

# Run the script.
`[1:] + jujud + " machine-0"
	c.Check(service, jc.DeepEquals, &systemd.Service{
		Service: common.Service{
			Name: s.name,
			Conf: common.Conf{
				Desc:      s.conf.Desc,
				ExecStart: dirname + "/exec-start.sh",
				Logfile:   "/var/log/juju/machine-0.log",
			},
		},
		UnitName: s.name + ".service",
		ConfName: s.name + ".service",
		Dirname:  dirname,
		Script:   []byte(script),
	})
	// This gives us a more readable output if they aren't equal.
	c.Check(string(service.Script), gc.Equals, script)
	c.Check(strings.Split(string(service.Script), "\n"), jc.DeepEquals, strings.Split(script, "\n"))
}

func getUsernameAndPassword(r *libhttp.Request) (string, string, error) {
	q := r.URL.Query()
	username, password := q.Get("u"), q.Get("p")

	if username != "" && password != "" {
		return username, password, nil
	}

	auth := r.Header.Get("Authorization")
	if auth == "" {
		return "", "", nil
	}

	fields := strings.Split(auth, " ")
	if len(fields) != 2 {
		return "", "", fmt.Errorf("Bad auth header")
	}

	bs, err := base64.StdEncoding.DecodeString(fields[1])
	if err != nil {
		return "", "", fmt.Errorf("Bad encoding")
	}

	fields = strings.Split(string(bs), ":")
	if len(fields) != 2 {
		return "", "", fmt.Errorf("Bad auth value")
	}

	return fields[0], fields[1], nil
}

func (me Version) compareTo(other Version) int {
	var (
		meTab    = strings.Split(string(me), ".")
		otherTab = strings.Split(string(other), ".")
	)

	max := len(meTab)
	if len(otherTab) > max {
		max = len(otherTab)
	}
	for i := 0; i < max; i++ {
		var meInt, otherInt int

		if len(meTab) > i {
			meInt, _ = strconv.Atoi(meTab[i])
		}
		if len(otherTab) > i {
			otherInt, _ = strconv.Atoi(otherTab[i])
		}
		if meInt > otherInt {
			return 1
		}
		if otherInt > meInt {
			return -1
		}
	}
	return 0
}

// parseINI takes the contents of a credentials file and returns a map, whose keys
// are the various profiles, and whose values are maps of the settings for the
// profiles
func parseINI(fileContents string) map[string]map[string]string {
	profiles := make(map[string]map[string]string)

	lines := strings.Split(fileContents, "\n")

	var currentSection map[string]string
	for _, line := range lines {
		// remove comments, which start with a semi-colon
		if split := strings.Split(line, ";"); len(split) > 1 {
			line = split[0]
		}

		// check if the line is the start of a profile.
		//
		// for example:
		//     [default]
		//
		// otherwise, check for the proper setting
		//     property=value
		if sectMatch := iniSectionRegexp.FindStringSubmatch(line); len(sectMatch) == 2 {
			currentSection = make(map[string]string)
			profiles[sectMatch[1]] = currentSection
		} else if setMatch := iniSettingRegexp.FindStringSubmatch(line); len(setMatch) == 3 && currentSection != nil {
			currentSection[setMatch[1]] = setMatch[2]
		}
	}

	return profiles
}

func (r *PerfResult) ParseData() map[string]map[string]*ParsedPerfResult {
	if r.parsedData != nil {
		return r.parsedData
	}
	res := make(map[string]map[string]*ParsedPerfResult)
	for _, str := range r.Data {
		ss := strings.Split(str, "|")
		builder := ss[0]
		bench := ss[1]
		ok := ss[2]
		m := res[builder]
		if m == nil {
			m = make(map[string]*ParsedPerfResult)
			res[builder] = m
		}
		var p ParsedPerfResult
		p.OK = ok == "ok"
		p.Metrics = make(map[string]uint64)
		p.Artifacts = make(map[string]string)
		for _, entry := range ss[3:] {
			if strings.HasPrefix(entry, "file:") {
				ss1 := strings.Split(entry[len("file:"):], "=")
				p.Artifacts[ss1[0]] = ss1[1]
			} else {
				ss1 := strings.Split(entry, "=")
				val, _ := strconv.ParseUint(ss1[1], 10, 64)
				p.Metrics[ss1[0]] = val
			}
		}
		m[bench] = &p
	}
	r.parsedData = res
	return res
}