4.
在直角坐标系\(xoy\)中,直线\(l\)的参数方程为\((t\)为参数\()\)在极坐标系与直角坐标系\(xoy\)取相同的长度单位,且以原点\(O\)为极点,以\(x\)轴正半轴为极轴中,曲线\(C\)的方程为\(\rho {{\sin }^{2}}\theta =4\cos \theta \).
\((\)Ⅰ\()\)求曲线\(C\)的直角坐标方程;
\((\)Ⅱ\()\)设曲线\(C\)与直线\(l\)交于点\(A\)、\(B\),若点\(P\)的坐标为\((1,1)\),求\(\left| PA \right|+\left| PB \right|\)的值.