方法一：filterMode
true或false，true时过滤HTML代码，false时允许输入任何代码。
默认值：true
方法二：
把htmlTags整个变量替换成下面的就可以
htmlTags:{
font:['color','size','face','.background-color'],
span:['class','.color','.background-color','.font-size','.font-family','.font-weight','.font-style','.text-decoration','.vertical-align'],
div:['class','align','.border','.margin','.padding','.text-align','.color','.background-color','.font-size','.font-family','.font-weight','.font-style','.text-decoration','.vertical-align'],
table:['class','border','cellspacing','cellpadding','width','height','align','.padding','.margin','.border','bgcolor','.text-align','.color','.background-color','.font-size','.font-family','.font-weight','.font-style','.text-decoration'],'td,th':['class','align','valign','width','height','colspan','rowspan','bgcolor','.text-align','.color','.background-color','.font-size','.font-family','.font-weight','.font-style','.text-decoration','.vertical-align'],
a:['class','href','target','name'],
embed:['src','type','loop','autostart','quality','.width','.height','/'],
img:['src','width','height','border','alt','title','.width','.height','/'],
hr:['class','/'],
br:['/'],'p,ol,ul,li, dl,dt,dd, blockquote,h1,h2,h3,h4,h5,h6':['class','align','.text-align','.color','.background-color','.font-size','.font-family','.font-weight','.font-style','.text-decoration','.vertical-align'],'tbody,tr,strong,b,sub,sup,em,i,u,strike':[]}
