46 lines
932 B
Go
46 lines
932 B
Go
package dwbg
|
||
|
||
// stripNullValues 递归移除 map/slice 中的 nil,避免 JSON 输出 null。
|
||
func stripNullValues(v interface{}) interface{} {
|
||
switch val := v.(type) {
|
||
case map[string]interface{}:
|
||
out := make(map[string]interface{}, len(val))
|
||
for k, item := range val {
|
||
if item == nil {
|
||
continue
|
||
}
|
||
out[k] = stripNullValues(item)
|
||
}
|
||
return out
|
||
case []interface{}:
|
||
out := make([]interface{}, 0, len(val))
|
||
for _, item := range val {
|
||
if item == nil {
|
||
continue
|
||
}
|
||
out = append(out, stripNullValues(item))
|
||
}
|
||
return out
|
||
default:
|
||
return v
|
||
}
|
||
}
|
||
|
||
func reportContainsNull(v interface{}) bool {
|
||
switch val := v.(type) {
|
||
case map[string]interface{}:
|
||
for _, item := range val {
|
||
if item == nil || reportContainsNull(item) {
|
||
return true
|
||
}
|
||
}
|
||
case []interface{}:
|
||
for _, item := range val {
|
||
if item == nil || reportContainsNull(item) {
|
||
return true
|
||
}
|
||
}
|
||
}
|
||
return false
|
||
}
|