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query_render.go
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query_render.go
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package zhttp
import (
"bytes"
"github.com/sohaha/zlsgo/zstring"
"golang.org/x/net/html"
)
func (r QueryHTML) Exist() bool {
return r.node != nil && r.node.Data != ""
}
func (r QueryHTML) Attr(key string) string {
return r.Attrs()[key]
}
func (r QueryHTML) Attrs() (attrs map[string]string) {
node := r.getNode()
if node.Type != html.ElementNode || len(node.Attr) == 0 {
return
}
return getAttrValue(node.Attr)
}
func (r QueryHTML) Name() string {
return r.getNode().Data
}
func (r QueryHTML) Text(trimSpace ...bool) string {
text := getElText(r, false)
if len(trimSpace) > 0 && trimSpace[0] {
text = zstring.TrimSpace(text)
}
return text
}
func (r QueryHTML) FullText(trimSpace ...bool) string {
text := getElText(r, true)
if len(trimSpace) > 0 && trimSpace[0] {
text = zstring.TrimSpace(text)
}
return text
}
func (r QueryHTML) HTML(trimSpace ...bool) string {
var b bytes.Buffer
if err := html.Render(&b, r.getNode()); err != nil {
return ""
}
text := b.String()
if len(trimSpace) > 0 && trimSpace[0] {
text = zstring.TrimSpace(text)
}
return text
}