SurroundLineType() 衬线类型 See: SymbolStyle Members staticconstantCesium.SurroundLineType.SURROUNDLINE_ALL : Number 双衬 staticconstantCesium.SurroundLineType.SURROUNDLINE_INNER : Number 内衬 staticconstantCesium.SurroundLineType.SURROUNDLINE_NONE : Number 无衬线 staticconstantCesium.SurroundLineType.SURROUNDLINE_OUT : Number 外衬